2149922 has 16 divisors (see below), whose sum is σ = 3508920. Its totient is φ = 983808.

The previous prime is 2149909. The next prime is 2149933. The reversal of 2149922 is 2299412.

It can be written as a sum of positive squares in 4 ways, for example, as 2076481 + 73441 = 1441^2 + 271^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404 + ... + 2112.

2^2149922 is an apocalyptic number.

2149922 is a deficient number, since it is larger than the sum of its proper divisors (1358998).

2149922 is a wasteful number, since it uses less digits than its factorization.

2149922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765.

The product of its digits is 2592, while the sum is 29.

The square root of 2149922 is about 1466.2612318410. The cubic root of 2149922 is about 129.0647272469.

The spelling of 2149922 in words is "two million, one hundred forty-nine thousand, nine hundred twenty-two".