22523530425 has 24 divisors (see below), whose sum is σ = 40624260000. Its totient is φ = 10920499200.

The previous prime is 22523530423. The next prime is 22523530429. The reversal of 22523530425 is 52403532522.

It is not a de Polignac number, because 22523530425 - 2¹ = 22523530423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (22523530423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13649800 + ... + 13651449.

It is an arithmetic number, because the mean of its divisors is an integer number (1692677500).

Almost surely, 2^22523530425 is an apocalyptic number.

22523530425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22523530425 is a deficient number, since it is larger than the sum of its proper divisors (18100729575).

22523530425 is a wasteful number, since it uses less digits than its factorization.

22523530425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27301273 (or 27301268 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

The spelling of 22523530425 in words is "twenty-two billion, five hundred twenty-three million, five hundred thirty thousand, four hundred twenty-five".