22304552 has 8 divisors (see below), whose sum is σ = 41821050. Its totient is φ = 11152272.

The previous prime is 22304551. The next prime is 22304587. The reversal of 22304552 is 25540322.

It can be written as a sum of positive squares in only one way, i.e., 13147876 + 9156676 = 3626^2 + 3026^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22304551) by changing a digit.

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 as a sum of consecutive naturals, namely, 1394027 + ... + 1394042.

Almost surely, 2^22304552 is an apocalyptic number.

It is an amenable number.

22304552 is a deficient number, since it is larger than the sum of its proper divisors (19516498).

22304552 is a wasteful number, since it uses less digits than its factorization.

22304552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788075 (or 2788071 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 22304552 is about 4722.7695264537. The cubic root of 22304552 is about 281.4909919960.

Adding to 22304552 its reverse (25540322), we get a palindrome (47844874).

The spelling of 22304552 in words is "twenty-two million, three hundred four thousand, five hundred fifty-two".