22047304 has 16 divisors (see below), whose sum is σ = 42300720. Its totient is φ = 10767120.

The previous prime is 22047287. The next prime is 22047307. The reversal of 22047304 is 40374022.

It is a super-2 number, since 2×22047304² = 972167227336832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22047307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31702 + ... + 32389.

It is an arithmetic number, because the mean of its divisors is an integer number (2643795).

Almost surely, 2^22047304 is an apocalyptic number.

It is an amenable number.

22047304 is a deficient number, since it is larger than the sum of its proper divisors (20253416).

22047304 is a wasteful number, since it uses less digits than its factorization.

22047304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64140 (or 64136 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 22047304 is about 4695.4556754377. The cubic root of 22047304 is about 280.4046190978.

It can be divided in two parts, 220 and 47304, that added together give a square (47524 = 218²).

The spelling of 22047304 in words is "twenty-two million, forty-seven thousand, three hundred four".