22304452 has 12 divisors (see below), whose sum is σ = 39391660. Its totient is φ = 11049696.

The previous prime is 22304441. The next prime is 22304473. The reversal of 22304452 is 25440322.

It can be written as a sum of positive squares in 2 ways, for example, as 19945156 + 2359296 = 4466^2 + 1536^2 .

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, 25143 + ... + 26014.

Almost surely, 2^22304452 is an apocalyptic number.

It is an amenable number.

22304452 is a deficient number, since it is larger than the sum of its proper divisors (17087208).

22304452 is a wasteful number, since it uses less digits than its factorization.

22304452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51270 (or 51268 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 22304452 is about 4722.7589394336. The cubic root of 22304452 is about 281.4905713174.

Adding to 22304452 its reverse (25440322), we get a palindrome (47744774).

The spelling of 22304452 in words is "twenty-two million, three hundred four thousand, four hundred fifty-two".