22091046 has 32 divisors (see below), whose sum is σ = 45813600. Its totient is φ = 7096320.

The previous prime is 22091033. The next prime is 22091051. The reversal of 22091046 is 64019022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21390 + ... + 22398.

It is an arithmetic number, because the mean of its divisors is an integer number (1431675).

Almost surely, 2^22091046 is an apocalyptic number.

22091046 is an abundant number, since it is smaller than the sum of its proper divisors (23722554).

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

22091046 is a wasteful number, since it uses less digits than its factorization.

22091046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22091046 is about 4700.1112752785. Note that the first 3 decimals coincide. The cubic root of 22091046 is about 280.5899381462.

The spelling of 22091046 in words is "twenty-two million, ninety-one thousand, forty-six".