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10222220011220 = 225731107122917911
BaseRepresentation
bin1001010011000000101111…
…0010101110011011010100
31100012020100002101110110022
42110300023302232123110
52314440101310324340
633424004551044312
72103350066311160
oct224601362563324
940166302343408
1010222220011220
113291245781558
121191174970698
13591c49a6c219
14274a882a1ca0
1512ad83ea43b5
hex94c0bcae6d4

10222220011220 has 192 divisors, whose sum is σ = 25583632220160. Its totient is φ = 3357084787200.

The previous prime is 10222220011181. The next prime is 10222220011261. The reversal of 10222220011220 is 2211002222201.

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 63 ways as a sum of consecutive naturals, for example, 570714065 + ... + 570731975.

It is an arithmetic number, because the mean of its divisors is an integer number (133248084480).

Almost surely, 210222220011220 is an apocalyptic number.

10222220011220 is a gapful number since it is divisible by the number (10) 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 10222220011220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12791816110080).

10222220011220 is an abundant number, since it is smaller than the sum of its proper divisors (15361412208940).

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

10222220011220 is a wasteful number, since it uses less digits than its factorization.

10222220011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19294 (or 19292 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10222220011220 its reverse (2211002222201), we get a palindrome (12433222233421).

The spelling of 10222220011220 in words is "ten trillion, two hundred twenty-two billion, two hundred twenty million, eleven thousand, two hundred twenty".