22525761 has 4 divisors (see below), whose sum is σ = 30034352. Its totient is φ = 15017172.

The previous prime is 22525739. The next prime is 22525771. The reversal of 22525761 is 16752522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22525761 - 2⁵ = 22525729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22525771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3754291 + ... + 3754296.

It is an arithmetic number, because the mean of its divisors is an integer number (7508588).

Almost surely, 2^22525761 is an apocalyptic number.

It is an amenable number.

22525761 is a deficient number, since it is larger than the sum of its proper divisors (7508591).

22525761 is an equidigital number, since it uses as much as digits as its factorization.

22525761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7508590.

The product of its digits is 8400, while the sum is 30.

The square root of 22525761 is about 4746.1311612723. The cubic root of 22525761 is about 282.4185099229.

The spelling of 22525761 in words is "twenty-two million, five hundred twenty-five thousand, seven hundred sixty-one".