22525541504 has 64 divisors (see below), whose sum is σ = 47942325600. Its totient is φ = 10510663680.

The previous prime is 22525541497. The next prime is 22525541537. The reversal of 22525541504 is 40514552522.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93824 + ... + 232064.

Almost surely, 2^22525541504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22525541504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23971162800).

22525541504 is an abundant number, since it is smaller than the sum of its proper divisors (25416784096).

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

22525541504 is a wasteful number, since it uses less digits than its factorization.

22525541504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138341 (or 138329 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 22525541504 in words is "twenty-two billion, five hundred twenty-five million, five hundred forty-one thousand, five hundred four".