2123922 has 16 divisors (see below), whose sum is σ = 4328640. Its totient is φ = 694512.

The previous prime is 2123917. The next prime is 2123939. The reversal of 2123922 is 2293212.

It is a super-2 number, since 2×2123922² = 9022089324168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3022 + ... + 3657.

It is an arithmetic number, because the mean of its divisors is an integer number (270540).

2^2123922 is an apocalyptic number.

2123922 is an abundant number, since it is smaller than the sum of its proper divisors (2204718).

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

2123922 is a wasteful number, since it uses less digits than its factorization.

2123922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737.

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

The square root of 2123922 is about 1457.3681758567. The cubic root of 2123922 is about 128.5423359219.

The spelling of 2123922 in words is "two million, one hundred twenty-three thousand, nine hundred twenty-two".