22389832 has 8 divisors (see below), whose sum is σ = 41980950. Its totient is φ = 11194912.

The previous prime is 22389821. The next prime is 22389839. The reversal of 22389832 is 23898322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22335076 + 54756 = 4726^2 + 234^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22389791 and 22389800.

It is not an unprimeable number, because it can be changed into a prime (22389839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399357 + ... + 1399372.

Almost surely, 2^22389832 is an apocalyptic number.

It is an amenable number.

22389832 is a deficient number, since it is larger than the sum of its proper divisors (19591118).

22389832 is a wasteful number, since it uses less digits than its factorization.

22389832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798735 (or 2798731 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 22389832 is about 4731.7895134928. The cubic root of 22389832 is about 281.8492898906.

The spelling of 22389832 in words is "twenty-two million, three hundred eighty-nine thousand, eight hundred thirty-two".