22092140 has 36 divisors (see below), whose sum is σ = 53970336. Its totient is φ = 7574112.

The previous prime is 22092139. The next prime is 22092151. The reversal of 22092140 is 4129022.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 11 ways as a sum of consecutive naturals, for example, 10292 + ... + 12251.

It is an arithmetic number, because the mean of its divisors is an integer number (1499176).

Almost surely, 2^22092140 is an apocalyptic number.

22092140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22092140 is an abundant number, since it is smaller than the sum of its proper divisors (31878196).

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

22092140 is a wasteful number, since it uses less digits than its factorization.

22092140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22566 (or 22557 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 22092140 is about 4700.2276540610. The cubic root of 22092140 is about 280.5945698920.

The spelling of 22092140 in words is "twenty-two million, ninety-two thousand, one hundred forty".