22274836 has 6 divisors (see below), whose sum is σ = 38980970. Its totient is φ = 11137416.

The previous prime is 22274809. The next prime is 22274869. The reversal of 22274836 is 63847222.

It can be written as a sum of positive squares in only one way, i.e., 11424400 + 10850436 = 3380^2 + 3294^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2784351 + ... + 2784358.

Almost surely, 2^22274836 is an apocalyptic number.

It is an amenable number.

22274836 is a deficient number, since it is larger than the sum of its proper divisors (16706134).

22274836 is a wasteful number, since it uses less digits than its factorization.

22274836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568713 (or 5568711 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 22274836 is about 4719.6224425265. The cubic root of 22274836 is about 281.3659277814.

It can be divided in two parts, 222748 and 36, that added together give a square (222784 = 472²).

The spelling of 22274836 in words is "twenty-two million, two hundred seventy-four thousand, eight hundred thirty-six".