22604442 has 16 divisors (see below), whose sum is σ = 51667392. Its totient is φ = 6458400.

The previous prime is 22604431. The next prime is 22604453. The reversal of 22604442 is 24440622.

It is an interprime number because it is at equal distance from previous prime (22604431) and next prime (22604453).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269059 + ... + 269142.

It is an arithmetic number, because the mean of its divisors is an integer number (3229212).

Almost surely, 2^22604442 is an apocalyptic number.

22604442 is an abundant number, since it is smaller than the sum of its proper divisors (29062950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22604442 is a wasteful number, since it uses less digits than its factorization.

22604442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538213.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 22604442 is about 4754.4128975090. The cubic root of 22604442 is about 282.7469508982.

The spelling of 22604442 in words is "twenty-two million, six hundred four thousand, four hundred forty-two".