22032404 has 6 divisors (see below), whose sum is σ = 38556714. Its totient is φ = 11016200.

The previous prime is 22032377. The next prime is 22032449. The reversal of 22032404 is 40423022.

It can be written as a sum of positive squares in only one way, i.e., 11155600 + 10876804 = 3340^2 + 3298^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2754047 + ... + 2754054.

It is an arithmetic number, because the mean of its divisors is an integer number (6426119).

Almost surely, 2^22032404 is an apocalyptic number.

It is an amenable number.

22032404 is a deficient number, since it is larger than the sum of its proper divisors (16524310).

22032404 is a wasteful number, since it uses less digits than its factorization.

22032404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5508105 (or 5508103 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22032404 is about 4693.8687668063. The cubic root of 22032404 is about 280.3414372174.

Adding to 22032404 its reverse (40423022), we get a palindrome (62455426).

The spelling of 22032404 in words is "twenty-two million, thirty-two thousand, four hundred four".