22840528 has 20 divisors (see below), whose sum is σ = 44372160. Its totient is φ = 11389664.

The previous prime is 22840511. The next prime is 22840547. The reversal of 22840528 is 82504822.

It is a self number, because there is not a number n which added to its sum of digits gives 22840528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5001 + ... + 8407.

It is an arithmetic number, because the mean of its divisors is an integer number (2218608).

Almost surely, 2^22840528 is an apocalyptic number.

It is an amenable number.

22840528 is a deficient number, since it is larger than the sum of its proper divisors (21531632).

22840528 is a wasteful number, since it uses less digits than its factorization.

22840528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834 (or 3828 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 22840528 is about 4779.1764981009. The cubic root of 22840528 is about 283.7279017897.

The spelling of 22840528 in words is "twenty-two million, eight hundred forty thousand, five hundred twenty-eight".