22441572252 has 36 divisors (see below), whose sum is σ = 61884336696. Its totient is φ = 6800476320.

The previous prime is 22441572221. The next prime is 22441572253. The reversal of 22441572252 is 25227514422.

22441572252 is a `hidden beast` number, since 2 + 24 + 41 + 572 + 25 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22441572253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28334923 + ... + 28335714.

Almost surely, 2^22441572252 is an apocalyptic number.

22441572252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22441572252 is an abundant number, since it is smaller than the sum of its proper divisors (39442764444).

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

22441572252 is a wasteful number, since it uses less digits than its factorization.

22441572252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56670658 (or 56670653 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The spelling of 22441572252 in words is "twenty-two billion, four hundred forty-one million, five hundred seventy-two thousand, two hundred fifty-two".