22044874 has 4 divisors (see below), whose sum is σ = 33067314. Its totient is φ = 11022436.

The previous prime is 22044863. The next prime is 22044877. The reversal of 22044874 is 47844022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22043025 + 1849 = 4695^2 + 43^2 .

It is not an unprimeable number, because it can be changed into a prime (22044877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511217 + ... + 5511220.

Almost surely, 2^22044874 is an apocalyptic number.

22044874 is a deficient number, since it is larger than the sum of its proper divisors (11022440).

22044874 is a wasteful number, since it uses less digits than its factorization.

22044874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022439.

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 22044874 is about 4695.1969074790. The cubic root of 22044874 is about 280.3943168819.

Adding to 22044874 its reverse (47844022), we get a palindrome (69888896).

The spelling of 22044874 in words is "twenty-two million, forty-four thousand, eight hundred seventy-four".