22152538755 has 48 divisors (see below), whose sum is σ = 41213465280. Its totient is φ = 10967353344.

The previous prime is 22152538739. The next prime is 22152538783. The reversal of 22152538755 is 55783525122.

22152538755 is a `hidden beast` number, since 2 + 21 + 525 + 38 + 75 + 5 = 666.

It is not a de Polignac number, because 22152538755 - 2⁴ = 22152538739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22152538755.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142495 + ... + 254184.

It is an arithmetic number, because the mean of its divisors is an integer number (858613860).

Almost surely, 2^22152538755 is an apocalyptic number.

22152538755 is a deficient number, since it is larger than the sum of its proper divisors (19060926525).

22152538755 is a wasteful number, since it uses less digits than its factorization.

22152538755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396780 (or 396777 counting only the distinct ones).

The product of its digits is 840000, while the sum is 45.

The spelling of 22152538755 in words is "twenty-two billion, one hundred fifty-two million, five hundred thirty-eight thousand, seven hundred fifty-five".