22532532525 has 36 divisors (see below), whose sum is σ = 40370371860. Its totient is φ = 12013747200.

The previous prime is 22532532509. The next prime is 22532532527. The reversal of 22532532525 is 52523523522.

22532532525 is a `hidden beast` number, since 2 + 2 + 5 + 325 + 325 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 9126441 + 22523406084 = 3021^2 + 150078^2 .

It is not a de Polignac number, because 22532532525 - 2⁴ = 22532532509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22532532525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22532532527) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 846621 + ... + 872829.

Almost surely, 2^22532532525 is an apocalyptic number.

22532532525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22532532525 is a deficient number, since it is larger than the sum of its proper divisors (17837839335).

22532532525 is a wasteful number, since it uses less digits than its factorization.

22532532525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30046 (or 30038 counting only the distinct ones).

The product of its digits is 180000, while the sum is 36.

The spelling of 22532532525 in words is "twenty-two billion, five hundred thirty-two million, five hundred thirty-two thousand, five hundred twenty-five".