22192940 has 48 divisors (see below), whose sum is σ = 58109184. Its totient is φ = 6916800.

The previous prime is 22192927. The next prime is 22192981. The reversal of 22192940 is 4929122.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5666 + ... + 8745.

It is an arithmetic number, because the mean of its divisors is an integer number (1210608).

Almost surely, 2^22192940 is an apocalyptic number.

22192940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22192940 is an abundant number, since it is smaller than the sum of its proper divisors (35916244).

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

22192940 is a wasteful number, since it uses less digits than its factorization.

22192940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14438 (or 14436 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 22192940 is about 4710.9383354062. The cubic root of 22192940 is about 281.0206795738.

It can be divided in two parts, 22192 and 940, that added together give a palindrome (23132).

The spelling of 22192940 in words is "twenty-two million, one hundred ninety-two thousand, nine hundred forty".