22532857530 has 32 divisors (see below), whose sum is σ = 56925115200. Its totient is φ = 5692511232.

The previous prime is 22532857517. The next prime is 22532857537. The reversal of 22532857530 is 3575823522.

It is not an unprimeable number, because it can be changed into a prime (22532857537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19765095 + ... + 19766234.

It is an arithmetic number, because the mean of its divisors is an integer number (1778909850).

Almost surely, 2^22532857530 is an apocalyptic number.

22532857530 is an abundant number, since it is smaller than the sum of its proper divisors (34392257670).

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

22532857530 is a wasteful number, since it uses less digits than its factorization.

22532857530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39531358.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 22532857530 in words is "twenty-two billion, five hundred thirty-two million, eight hundred fifty-seven thousand, five hundred thirty".