22928532 has 36 divisors (see below), whose sum is σ = 58809408. Its totient is φ = 6947600.

The previous prime is 22928513. The next prime is 22928533. The reversal of 22928532 is 23582922.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 22928493 and 22928502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22928533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6444 + ... + 9347.

Almost surely, 2^22928532 is an apocalyptic number.

22928532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22928532 is an abundant number, since it is smaller than the sum of its proper divisors (35880876).

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

22928532 is a wasteful number, since it uses less digits than its factorization.

22928532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15820 (or 15807 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 22928532 is about 4788.3746720573. The cubic root of 22928532 is about 284.0918336885.

The spelling of 22928532 in words is "twenty-two million, nine hundred twenty-eight thousand, five hundred thirty-two".