22808442 has 32 divisors (see below), whose sum is σ = 48211200. Its totient is φ = 7181888.

The previous prime is 22808419. The next prime is 22808459. The reversal of 22808442 is 24480822.

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 15 ways as a sum of consecutive naturals, for example, 6784 + ... + 9572.

It is an arithmetic number, because the mean of its divisors is an integer number (1506600).

Almost surely, 2^22808442 is an apocalyptic number.

22808442 is an abundant number, since it is smaller than the sum of its proper divisors (25402758).

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

22808442 is a wasteful number, since it uses less digits than its factorization.

22808442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870.

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 22808442 is about 4775.8184638866. The cubic root of 22808442 is about 283.5949807572.

The spelling of 22808442 in words is "twenty-two million, eight hundred eight thousand, four hundred forty-two".