22799942 has 32 divisors (see below), whose sum is σ = 39011328. Its totient is φ = 9900000.

The previous prime is 22799939. The next prime is 22799957. The reversal of 22799942 is 24999722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22799893 and 22799902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68717 + ... + 69047.

It is an arithmetic number, because the mean of its divisors is an integer number (1219104).

Almost surely, 2^22799942 is an apocalyptic number.

22799942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22799942 is a deficient number, since it is larger than the sum of its proper divisors (16211386).

22799942 is a wasteful number, since it uses less digits than its factorization.

22799942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its digits is 163296, while the sum is 44.

The square root of 22799942 is about 4774.9284811398. The cubic root of 22799942 is about 283.5597473577.

It can be divided in two parts, 2279 and 9942, that added together give a palindrome (12221).

The spelling of 22799942 in words is "twenty-two million, seven hundred ninety-nine thousand, nine hundred forty-two".