22839942 has 16 divisors (see below), whose sum is σ = 48367152. Its totient is φ = 7165440.

The previous prime is 22839937. The next prime is 22839953. The reversal of 22839942 is 24993822.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22839942.

It is a congruent number.

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, 111859 + ... + 112062.

It is an arithmetic number, because the mean of its divisors is an integer number (3022947).

Almost surely, 2^22839942 is an apocalyptic number.

22839942 is an abundant number, since it is smaller than the sum of its proper divisors (25527210).

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

22839942 is a wasteful number, since it uses less digits than its factorization.

22839942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223943.

The product of its digits is 62208, while the sum is 39.

The square root of 22839942 is about 4779.1151900744. The cubic root of 22839942 is about 283.7254753138.

The spelling of 22839942 in words is "twenty-two million, eight hundred thirty-nine thousand, nine hundred forty-two".