22399042 has 16 divisors (see below), whose sum is σ = 34070400. Its totient is φ = 11043648.

The previous prime is 22398983. The next prime is 22399057. The reversal of 22399042 is 24099322.

It is a junction number, because it is equal to n+sod(n) for n = 22398995 and 22399013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66298 + ... + 66634.

It is an arithmetic number, because the mean of its divisors is an integer number (2129400).

Almost surely, 2^22399042 is an apocalyptic number.

22399042 is a deficient number, since it is larger than the sum of its proper divisors (11671358).

22399042 is a wasteful number, since it uses less digits than its factorization.

22399042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 22399042 is about 4732.7626181756. The cubic root of 22399042 is about 281.8879305871.

The spelling of 22399042 in words is "twenty-two million, three hundred ninety-nine thousand, forty-two".