22889732 has 24 divisors (see below), whose sum is σ = 40937400. Its totient is φ = 11196416.

The previous prime is 22889723. The next prime is 22889743. The reversal of 22889732 is 23798822.

It can be written as a sum of positive squares in 4 ways, for example, as 1784896 + 21104836 = 1336^2 + 4594^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22889732.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39944 + ... + 40512.

It is an arithmetic number, because the mean of its divisors is an integer number (1705725).

Almost surely, 2^22889732 is an apocalyptic number.

It is an amenable number.

22889732 is a deficient number, since it is larger than the sum of its proper divisors (18047668).

22889732 is a wasteful number, since it uses less digits than its factorization.

22889732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 773 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 22889732 is about 4784.3214774929. The cubic root of 22889732 is about 283.9314950818.

The spelling of 22889732 in words is "twenty-two million, eight hundred eighty-nine thousand, seven hundred thirty-two".