22034256156 has 72 divisors (see below), whose sum is σ = 61616999808. Its totient is φ = 6582996000.

The previous prime is 22034256149. The next prime is 22034256193. The reversal of 22034256156 is 65165243022.

22034256156 is a `hidden beast` number, since 2 + 2 + 0 + 3 + 42 + 561 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22034256156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 363730 + ... + 419961.

It is an arithmetic number, because the mean of its divisors is an integer number (855791664).

Almost surely, 2^22034256156 is an apocalyptic number.

It is an amenable number.

22034256156 is an abundant number, since it is smaller than the sum of its proper divisors (39582743652).

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

22034256156 is a wasteful number, since it uses less digits than its factorization.

22034256156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783783 (or 783778 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 22034256156 its reverse (65165243022), we get a palindrome (87199499178).

The spelling of 22034256156 in words is "twenty-two billion, thirty-four million, two hundred fifty-six thousand, one hundred fifty-six".