22264444 has 6 divisors (see below), whose sum is σ = 38962784. Its totient is φ = 11132220.

The previous prime is 22264439. The next prime is 22264457. The reversal of 22264444 is 44446222.

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, 2783052 + ... + 2783059.

Almost surely, 2^22264444 is an apocalyptic number.

It is an amenable number.

22264444 is a deficient number, since it is larger than the sum of its proper divisors (16698340).

22264444 is a wasteful number, since it uses less digits than its factorization.

22264444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5566115 (or 5566113 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 22264444 is about 4718.5213785677. The cubic root of 22264444 is about 281.3221652513.

It can be divided in two parts, 2226 and 4444, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 22264444 in words is "twenty-two million, two hundred sixty-four thousand, four hundred forty-four".