22409888 has 24 divisors (see below), whose sum is σ = 44341920. Its totient is φ = 11148480.

The previous prime is 22409887. The next prime is 22409941. The reversal of 22409888 is 88890422.

It is not an unprimeable number, because it can be changed into a prime (22409887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5093 + ... + 8411.

It is an arithmetic number, because the mean of its divisors is an integer number (1847580).

Almost surely, 2^22409888 is an apocalyptic number.

It is an amenable number.

22409888 is a deficient number, since it is larger than the sum of its proper divisors (21932032).

22409888 is a wasteful number, since it uses less digits than its factorization.

22409888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540 (or 3532 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 22409888 is about 4733.9083218837. The cubic root of 22409888 is about 281.9334215677.

The spelling of 22409888 in words is "twenty-two million, four hundred nine thousand, eight hundred eighty-eight".