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222211020980 = 2251310923713307
BaseRepresentation
bin1100111011110011001…
…1110001100010110100
3210020120021020110100002
43032330303301202310
512120042010132410
6250025441210432
722024411341134
oct3167463614264
9706507213302
10222211020980
118626a367a93
1237096030a18
1317c53ab6940
14aa7dcb2ac4
155ba83877a5
hex33bccf18b4

222211020980 has 96 divisors (see below), whose sum is σ = 507516535680. Its totient is φ = 81235560960.

The previous prime is 222211020979. The next prime is 222211021013. The reversal of 222211020980 is 89020112222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67192487 + ... + 67195793.

It is an arithmetic number, because the mean of its divisors is an integer number (5286630580).

Almost surely, 2222211020980 is an apocalyptic number.

222211020980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222211020980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253758267840).

222211020980 is an abundant number, since it is smaller than the sum of its proper divisors (285305514700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222211020980 is a wasteful number, since it uses less digits than its factorization.

222211020980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5809 (or 5807 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 222211020980 in words is "two hundred twenty-two billion, two hundred eleven million, twenty thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 109 130 218 260 436 545 1090 1417 2180 2371 2834 3307 4742 5668 6614 7085 9484 11855 13228 14170 16535 23710 28340 30823 33070 42991 47420 61646 66140 85982 123292 154115 171964 214955 258439 308230 360463 429910 516878 616460 720926 859820 1033756 1292195 1441852 1802315 2584390 3359707 3604630 4686019 5168780 6719414 7209260 7840897 9372038 13438828 15681794 16798535 18744076 23430095 31363588 33597070 39204485 46860190 67194140 78408970 93720380 101931661 156817940 203863322 407726644 509658305 854657773 1019316610 1709315546 2038633220 3418631092 4273288865 8546577730 11110551049 17093155460 22221102098 44442204196 55552755245 111105510490 222211020980