22156365364100 has 72 divisors (see below), whose sum is σ = 52969468237056. Its totient is φ = 7977089200000.

The previous prime is 22156365364097. The next prime is 22156365364109. The reversal of 22156365364100 is 146356365122.

It is a super-2 number, since 2×22156365364100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (22156365364109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99602516 + ... + 99824715.

It is an arithmetic number, because the mean of its divisors is an integer number (735687058848).

Almost surely, 2^{22156365364100} is an apocalyptic number.

22156365364100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22156365364100 is an abundant number, since it is smaller than the sum of its proper divisors (30813102872956).

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

22156365364100 is a wasteful number, since it uses less digits than its factorization.

22156365364100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199427357 (or 199427350 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 22156365364100 in words is "twenty-two trillion, one hundred fifty-six billion, three hundred sixty-five million, three hundred sixty-four thousand, one hundred".