22772282 has 16 divisors (see below), whose sum is σ = 38950632. Its totient is φ = 9891840.

The previous prime is 22772273. The next prime is 22772293. The reversal of 22772282 is 28227722.

It can be written as a sum of positive squares in 4 ways, for example, as 10374841 + 12397441 = 3221^2 + 3521^2 .

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, 25319 + ... + 26202.

Almost surely, 2^22772282 is an apocalyptic number.

22772282 is a deficient number, since it is larger than the sum of its proper divisors (16178350).

22772282 is a wasteful number, since it uses less digits than its factorization.

22772282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51553.

The product of its digits is 12544, while the sum is 32.

The square root of 22772282 is about 4772.0312237034. The cubic root of 22772282 is about 283.4450330825.

The spelling of 22772282 in words is "twenty-two million, seven hundred seventy-two thousand, two hundred eighty-two".