22492940 has 12 divisors (see below), whose sum is σ = 47235216. Its totient is φ = 8997168.

The previous prime is 22492933. The next prime is 22492991. The reversal of 22492940 is 4929422.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22492897 and 22492906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562304 + ... + 562343.

It is an arithmetic number, because the mean of its divisors is an integer number (3936268).

Almost surely, 2^22492940 is an apocalyptic number.

22492940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22492940 is an abundant number, since it is smaller than the sum of its proper divisors (24742276).

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

22492940 is a wasteful number, since it uses less digits than its factorization.

22492940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124656 (or 1124654 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 22492940 is about 4742.6722425232. The cubic root of 22492940 is about 282.2812779560.

It can be divided in two parts, 22492 and 940, that added together give a palindrome (23432).

The spelling of 22492940 in words is "twenty-two million, four hundred ninety-two thousand, nine hundred forty".