2231922 has 32 divisors (see below), whose sum is σ = 5566464. Its totient is φ = 579600.

The previous prime is 2231909. The next prime is 2231941. The reversal of 2231922 is 2291322.

It is a super-3 number, since 3×2231922³ = 33354796385765968344, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1954 + ... + 2877.

It is an arithmetic number, because the mean of its divisors is an integer number (173952).

2^2231922 is an apocalyptic number.

2231922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2231922 is an abundant number, since it is smaller than the sum of its proper divisors (3334542).

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

2231922 is a wasteful number, since it uses less digits than its factorization.

2231922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854.

The product of its digits is 432, while the sum is 21.

The square root of 2231922 is about 1493.9618469024. The cubic root of 2231922 is about 130.6851791879.

It can be divided in two parts, 223 and 1922, that added together give a triangular number (2145 = T₆₅).

The spelling of 2231922 in words is "two million, two hundred thirty-one thousand, nine hundred twenty-two".