22525732461 has 32 divisors (see below), whose sum is σ = 31418892288. Its totient is φ = 14338336320.

The previous prime is 22525732459. The next prime is 22525732487. The reversal of 22525732461 is 16423752522.

It is not a de Polignac number, because 22525732461 - 2¹ = 22525732459 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22525737461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7694380 + ... + 7697306.

It is an arithmetic number, because the mean of its divisors is an integer number (981840384).

Almost surely, 2^22525732461 is an apocalyptic number.

It is an amenable number.

22525732461 is a deficient number, since it is larger than the sum of its proper divisors (8893159827).

22525732461 is a wasteful number, since it uses less digits than its factorization.

22525732461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041.

The product of its digits is 201600, while the sum is 39.

The spelling of 22525732461 in words is "twenty-two billion, five hundred twenty-five million, seven hundred thirty-two thousand, four hundred sixty-one".