22331146 has 16 divisors (see below), whose sum is σ = 34433280. Its totient is φ = 10857600.

The previous prime is 22331053. The next prime is 22331159. The reversal of 22331146 is 64113322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10471 + ... + 12421.

It is an arithmetic number, because the mean of its divisors is an integer number (2152080).

Almost surely, 2^22331146 is an apocalyptic number.

22331146 is a deficient number, since it is larger than the sum of its proper divisors (12102134).

22331146 is a wasteful number, since it uses less digits than its factorization.

22331146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109.

The product of its digits is 864, while the sum is 22.

The square root of 22331146 is about 4725.5841966893. The cubic root of 22331146 is about 281.6028226543.

Adding to 22331146 its reverse (64113322), we get a palindrome (86444468).

The spelling of 22331146 in words is "twenty-two million, three hundred thirty-one thousand, one hundred forty-six".