22641052272 has 20 divisors (see below), whose sum is σ = 58489385160. Its totient is φ = 7547017408.

The previous prime is 22641052261. The next prime is 22641052283. The reversal of 22641052272 is 27225014622.

It is an interprime number because it is at equal distance from previous prime (22641052261) and next prime (22641052283).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235844247 + ... + 235844342.

It is an arithmetic number, because the mean of its divisors is an integer number (2924469258).

Almost surely, 2^22641052272 is an apocalyptic number.

It is an amenable number.

22641052272 is an abundant number, since it is smaller than the sum of its proper divisors (35848332888).

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

22641052272 is a wasteful number, since it uses less digits than its factorization.

22641052272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471688600 (or 471688594 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 22641052272 its reverse (27225014622), we get a palindrome (49866066894).

The spelling of 22641052272 in words is "twenty-two billion, six hundred forty-one million, fifty-two thousand, two hundred seventy-two".