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222010111220 = 22561487737313
BaseRepresentation
bin1100111011000011010…
…1010111010011110100
3210020001021012011221212
43032300311113103310
512114134042024340
6245553503100552
722016421544322
oct3166065272364
9706037164855
10222010111220
1186176a13567
123703a8a1758
1317c212a1521
14aa61334d12
155b958eda65
hex33b0d574f4

222010111220 has 48 divisors (see below), whose sum is σ = 473974069968. Its totient is φ = 87327989760.

The previous prime is 222010111181. The next prime is 222010111241. The reversal of 222010111220 is 22111010222.

222010111220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4171351396 + 217838759824 = 64586^2 + 466732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222010111195 and 222010111204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5931284 + ... + 5968596.

It is an arithmetic number, because the mean of its divisors is an integer number (9874459791).

Almost surely, 2222010111220 is an apocalyptic number.

222010111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222010111220 is an abundant number, since it is smaller than the sum of its proper divisors (251963958748).

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

222010111220 is a wasteful number, since it uses less digits than its factorization.

222010111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42260 (or 42258 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222010111220 its reverse (22111010222), we get a palindrome (244121121442).

The spelling of 222010111220 in words is "two hundred twenty-two billion, ten million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 4877 9754 19508 24385 37313 48770 74626 97540 149252 186565 297497 373130 594994 746260 1189988 1487485 2276093 2974970 4552186 5949940 9104372 11380465 22760930 45521860 181975501 363951002 727902004 909877505 1819755010 3639510020 11100505561 22201011122 44402022244 55502527805 111005055610 222010111220