22740216925 has 6 divisors (see below), whose sum is σ = 28197869018. Its totient is φ = 18192173520.

The previous prime is 22740216883. The next prime is 22740216973. The reversal of 22740216925 is 52961204722.

It can be written as a sum of positive squares in 3 ways, for example, as 1041159289 + 21699057636 = 32267^2 + 147306^2 .

It is not a de Polignac number, because 22740216925 - 2⁷ = 22740216797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454804314 + ... + 454804363.

Almost surely, 2^22740216925 is an apocalyptic number.

22740216925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22740216925 is a deficient number, since it is larger than the sum of its proper divisors (5457652093).

22740216925 is an equidigital number, since it uses as much as digits as its factorization.

22740216925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909608687 (or 909608682 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 22740216925 in words is "twenty-two billion, seven hundred forty million, two hundred sixteen thousand, nine hundred twenty-five".