22274636 has 12 divisors (see below), whose sum is σ = 39515112. Its totient is φ = 10984608.

The previous prime is 22274621. The next prime is 22274671. The reversal of 22274636 is 63647222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37850 + ... + 38433.

It is an arithmetic number, because the mean of its divisors is an integer number (3292926).

Almost surely, 2^22274636 is an apocalyptic number.

It is an amenable number.

22274636 is a deficient number, since it is larger than the sum of its proper divisors (17240476).

22274636 is a wasteful number, since it uses less digits than its factorization.

22274636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76360 (or 76358 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 22274636 is about 4719.6012543434. The cubic root of 22274636 is about 281.3650856749.

The spelling of 22274636 in words is "twenty-two million, two hundred seventy-four thousand, six hundred thirty-six".