22532712 has 32 divisors (see below), whose sum is σ = 56918400. Its totient is φ = 7432704.

The previous prime is 22532711. The next prime is 22532717. The reversal of 22532712 is 21723522.

It is a happy number.

It is a super-2 number, since 2×22532712² = 1015446220149888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (22532711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2512 + ... + 7167.

It is an arithmetic number, because the mean of its divisors is an integer number (1778700).

Almost surely, 2^22532712 is an apocalyptic number.

It is an amenable number.

22532712 is an abundant number, since it is smaller than the sum of its proper divisors (34385688).

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

22532712 is a wasteful number, since it uses less digits than its factorization.

22532712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785 (or 9781 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 22532712 is about 4746.8633854367. The cubic root of 22532712 is about 282.4475565061.

The spelling of 22532712 in words is "twenty-two million, five hundred thirty-two thousand, seven hundred twelve".