22044452 has 12 divisors (see below), whose sum is σ = 39620700. Its totient is φ = 10724256.

The previous prime is 22044443. The next prime is 22044469. The reversal of 22044452 is 25444022.

It can be written as a sum of positive squares in 2 ways, for example, as 20016676 + 2027776 = 4474^2 + 1424^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74327 + ... + 74622.

It is an arithmetic number, because the mean of its divisors is an integer number (3301725).

Almost surely, 2^22044452 is an apocalyptic number.

It is an amenable number.

22044452 is a deficient number, since it is larger than the sum of its proper divisors (17576248).

22044452 is a wasteful number, since it uses less digits than its factorization.

22044452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148990 (or 148988 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 22044452 is about 4695.1519677216. The cubic root of 22044452 is about 280.3925276956.

Adding to 22044452 its reverse (25444022), we get a palindrome (47488474).

The spelling of 22044452 in words is "twenty-two million, forty-four thousand, four hundred fifty-two".