22455528 has 32 divisors (see below), whose sum is σ = 56277600. Its totient is φ = 7466688.

The previous prime is 22455527. The next prime is 22455529. The reversal of 22455528 is 82555422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22455527) and next prime (22455529).

It is not an unprimeable number, because it can be changed into a prime (22455523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11658 + ... + 13446.

It is an arithmetic number, because the mean of its divisors is an integer number (1758675).

Almost surely, 2^22455528 is an apocalyptic number.

It is an amenable number.

22455528 is an abundant number, since it is smaller than the sum of its proper divisors (33822072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22455528 is a wasteful number, since it uses less digits than its factorization.

22455528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2317 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The square root of 22455528 is about 4738.7264111784. The cubic root of 22455528 is about 282.1246870773.

The spelling of 22455528 in words is "twenty-two million, four hundred fifty-five thousand, five hundred twenty-eight".