2111922 has 12 divisors (see below), whose sum is σ = 4575870. Its totient is φ = 703968.

The previous prime is 2111917. The next prime is 2111933. The reversal of 2111922 is 2291112.

It can be written as a sum of positive squares in only one way, i.e., 2099601 + 12321 = 1449^2 + 111^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 117329 = 2111922 / (2 + 1 + 1 + 1 + 9 + 2 + 2).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2111895 and 2111904.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58647 + ... + 58682.

2^2111922 is an apocalyptic number.

2111922 is an abundant number, since it is smaller than the sum of its proper divisors (2463948).

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

2111922 is a wasteful number, since it uses less digits than its factorization.

2111922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117337 (or 117334 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 2111922 is about 1453.2453337272. The cubic root of 2111922 is about 128.2997937127.

The spelling of 2111922 in words is "two million, one hundred eleven thousand, nine hundred twenty-two".