22220492 has 24 divisors (see below), whose sum is σ = 44588544. Its totient is φ = 9491472.

The previous prime is 22220489. The next prime is 22220503. The reversal of 22220492 is 29402222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8573 + ... + 10859.

It is an arithmetic number, because the mean of its divisors is an integer number (1857856).

Almost surely, 2^22220492 is an apocalyptic number.

It is an amenable number.

22220492 is an abundant number, since it is smaller than the sum of its proper divisors (22368052).

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

22220492 is a wasteful number, since it uses less digits than its factorization.

22220492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22220492 is about 4713.8616865581. The cubic root of 22220492 is about 281.1369249482.

The spelling of 22220492 in words is "twenty-two million, two hundred twenty thousand, four hundred ninety-two".