22273892 has 12 divisors (see below), whose sum is σ = 39473280. Its totient is φ = 10995816.

The previous prime is 22273891. The next prime is 22273897. The reversal of 22273892 is 29837222.

It is a happy number.

It is a super-2 number, since 2×22273892² = 992252529655328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22273891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34928 + ... + 35559.

It is an arithmetic number, because the mean of its divisors is an integer number (3289440).

Almost surely, 2^22273892 is an apocalyptic number.

It is an amenable number.

22273892 is a deficient number, since it is larger than the sum of its proper divisors (17199388).

22273892 is a wasteful number, since it uses less digits than its factorization.

22273892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70570 (or 70568 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 22273892 is about 4719.5224334672. The cubic root of 22273892 is about 281.3619529944.

The spelling of 22273892 in words is "twenty-two million, two hundred seventy-three thousand, eight hundred ninety-two".