22532460 has 48 divisors (see below), whose sum is σ = 63361536. Its totient is φ = 5982912.

The previous prime is 22532441. The next prime is 22532491. The reversal of 22532460 is 6423522.

It is a self number, because there is not a number n which added to its sum of digits gives 22532460.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16317 + ... + 17643.

It is an arithmetic number, because the mean of its divisors is an integer number (1320032).

Almost surely, 2^22532460 is an apocalyptic number.

22532460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22532460 is an abundant number, since it is smaller than the sum of its proper divisors (40829076).

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

22532460 is a wasteful number, since it uses less digits than its factorization.

22532460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22532460 is about 4746.8368415188. The cubic root of 22532460 is about 282.4465035621.

Adding to 22532460 its reverse (6423522), we get a palindrome (28955982).

The spelling of 22532460 in words is "twenty-two million, five hundred thirty-two thousand, four hundred sixty".