22946816 has 22 divisors (see below), whose sum is σ = 45873270. Its totient is φ = 11472896.

The previous prime is 22946809. The next prime is 22946837. The reversal of 22946816 is 61864922.

It can be written as a sum of positive squares in only one way, i.e., 20070400 + 2876416 = 4480^2 + 1696^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22946816.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10181 + ... + 12228.

Almost surely, 2^22946816 is an apocalyptic number.

It is an amenable number.

22946816 is a deficient number, since it is larger than the sum of its proper divisors (22926454).

22946816 is an equidigital number, since it uses as much as digits as its factorization.

22946816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22429 (or 22411 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 22946816 is about 4790.2834989174. The cubic root of 22946816 is about 284.1673284910.

The spelling of 22946816 in words is "twenty-two million, nine hundred forty-six thousand, eight hundred sixteen".