2121922 has 8 divisors (see below), whose sum is σ = 3472272. Its totient is φ = 964500.

The previous prime is 2121907. The next prime is 2121941. The reversal of 2121922 is 2291212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2121922.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48204 + ... + 48247.

It is an arithmetic number, because the mean of its divisors is an integer number (434034).

2^2121922 is an apocalyptic number.

2121922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2121922 is a deficient number, since it is larger than the sum of its proper divisors (1350350).

2121922 is a wasteful number, since it uses less digits than its factorization.

2121922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96464.

The product of its digits is 144, while the sum is 19.

The square root of 2121922 is about 1456.6818458401. The cubic root of 2121922 is about 128.5019757755.

The spelling of 2121922 in words is "two million, one hundred twenty-one thousand, nine hundred twenty-two".