22426560025 has 27 divisors (see below), whose sum is σ = 28329990429. Its totient is φ = 17611188000.

The previous prime is 22426560019. The next prime is 22426560041. The reversal of 22426560025 is 52006562422.

The square root of 22426560025 is 149755.

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

It can be written as a sum of positive squares in 4 ways, for example, as 10330079769 + 12096480256 = 101637^2 + 109984^2 .

It is not a de Polignac number, because 22426560025 - 2³ = 22426560017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 45675030 + ... + 45675520.

Almost surely, 2^22426560025 is an apocalyptic number.

22426560025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22426560025 is the 149755-th square number.

22426560025 is the 74878-th centered octagonal number.

It is an amenable number.

22426560025 is a deficient number, since it is larger than the sum of its proper divisors (5903430404).

22426560025 is an frugal number, since it uses more digits than its factorization.

22426560025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 22426560025 in words is "twenty-two billion, four hundred twenty-six million, five hundred sixty thousand, twenty-five".