22273232 has 20 divisors (see below), whose sum is σ = 43315680. Its totient is φ = 11095008.

The previous prime is 22273217. The next prime is 22273243. The reversal of 22273232 is 23237222.

It is a junction number, because it is equal to n+sod(n) for n = 22273198 and 22273207.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2069 + ... + 6987.

It is an arithmetic number, because the mean of its divisors is an integer number (2165784).

Almost surely, 2^22273232 is an apocalyptic number.

It is an amenable number.

22273232 is a deficient number, since it is larger than the sum of its proper divisors (21042448).

22273232 is a wasteful number, since it uses less digits than its factorization.

22273232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210 (or 5204 counting only the distinct ones).

The product of its digits is 2016, while the sum is 23.

The square root of 22273232 is about 4719.4525106203. The cubic root of 22273232 is about 281.3591739452.

The spelling of 22273232 in words is "twenty-two million, two hundred seventy-three thousand, two hundred thirty-two".