22599942 has 16 divisors (see below), whose sum is σ = 46053360. Its totient is φ = 7391072.

The previous prime is 22599937. The next prime is 22599977. The reversal of 22599942 is 24999522.

It is a junction number, because it is equal to n+sod(n) for n = 22599894 and 22599903.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 35217 + ... + 35852.

It is an arithmetic number, because the mean of its divisors is an integer number (2878335).

Almost surely, 2^22599942 is an apocalyptic number.

22599942 is an abundant number, since it is smaller than the sum of its proper divisors (23453418).

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

22599942 is a wasteful number, since it uses less digits than its factorization.

22599942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71127.

The product of its digits is 116640, while the sum is 42.

The square root of 22599942 is about 4753.9396294021. The cubic root of 22599942 is about 282.7281869503.

The spelling of 22599942 in words is "twenty-two million, five hundred ninety-nine thousand, nine hundred forty-two".