22752532 has 24 divisors (see below), whose sum is σ = 43585920. Its totient is φ = 10306560.

The previous prime is 22752517. The next prime is 22752533. The reversal of 22752532 is 23525722.

It is a super-2 number, since 2×22752532² = 1035355424822048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22752532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22752533) 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, 15444 + ... + 16852.

It is an arithmetic number, because the mean of its divisors is an integer number (1816080).

Almost surely, 2^22752532 is an apocalyptic number.

22752532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22752532 is a deficient number, since it is larger than the sum of its proper divisors (20833388).

22752532 is a wasteful number, since it uses less digits than its factorization.

22752532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791 (or 1789 counting only the distinct ones).

The product of its digits is 8400, while the sum is 28.

The square root of 22752532 is about 4769.9614254205. The cubic root of 22752532 is about 283.3630670833.

The spelling of 22752532 in words is "twenty-two million, seven hundred fifty-two thousand, five hundred thirty-two".