22508942 has 8 divisors (see below), whose sum is σ = 33786336. Its totient is φ = 11246832.

The previous prime is 22508929. The next prime is 22508953. The reversal of 22508942 is 24980522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22508899 and 22508908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163 + ... + 6809.

It is an arithmetic number, because the mean of its divisors is an integer number (4223292).

Almost surely, 2^22508942 is an apocalyptic number.

22508942 is a deficient number, since it is larger than the sum of its proper divisors (11277394).

22508942 is a wasteful number, since it uses less digits than its factorization.

22508942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7642.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 22508942 is about 4744.3589661829. The cubic root of 22508942 is about 282.3482025740.

The spelling of 22508942 in words is "twenty-two million, five hundred eight thousand, nine hundred forty-two".