22525807396 has 27 divisors (see below), whose sum is σ = 39867983953. Its totient is φ = 11136381200.

The previous prime is 22525807379. The next prime is 22525807411. The reversal of 22525807396 is 69370852522.

It is a happy number.

The square root of 22525807396 is 150086.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 21642528996 + 883278400 = 147114^2 + 29720^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30317001 + ... + 30317743.

Almost surely, 2^22525807396 is an apocalyptic number.

22525807396 is the 150086-th square number.

It is an amenable number.

22525807396 is a deficient number, since it is larger than the sum of its proper divisors (17342176557).

22525807396 is an frugal number, since it uses more digits than its factorization.

22525807396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

Multiplying 22525807396 by its sum of digits (49), we get a square (1103764562404 = 1050602²).

It can be divided in two parts, 22525 and 807396, that added together give a square (829921 = 911²).

The spelling of 22525807396 in words is "twenty-two billion, five hundred twenty-five million, eight hundred seven thousand, three hundred ninety-six".