22785232 has 10 divisors (see below), whose sum is σ = 44146418. Its totient is φ = 11392608.

The previous prime is 22785211. The next prime is 22785241. The reversal of 22785232 is 23258722.

It can be written as a sum of positive squares in only one way, i.e., 16353936 + 6431296 = 4044^2 + 2536^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22785194 and 22785203.

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 as a sum of consecutive naturals, namely, 712023 + ... + 712054.

Almost surely, 2^22785232 is an apocalyptic number.

It is an amenable number.

22785232 is a deficient number, since it is larger than the sum of its proper divisors (21361186).

22785232 is a wasteful number, since it uses less digits than its factorization.

22785232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424085 (or 1424079 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 22785232 is about 4773.3878954051. The cubic root of 22785232 is about 283.4987521550.

The spelling of 22785232 in words is "twenty-two million, seven hundred eighty-five thousand, two hundred thirty-two".