2172292 has 12 divisors (see below), whose sum is σ = 3829840. Its totient is φ = 1078056.

The previous prime is 2172283. The next prime is 2172323. The reversal of 2172292 is 2922712.

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 3 ways as a sum of consecutive naturals, for example, 1398 + ... + 2509.

2^2172292 is an apocalyptic number.

It is an amenable number.

2172292 is a deficient number, since it is larger than the sum of its proper divisors (1657548).

2172292 is a wasteful number, since it uses less digits than its factorization.

2172292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050 (or 4048 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 2172292 is about 1473.8697364421. The cubic root of 2172292 is about 129.5108243165.

The spelling of 2172292 in words is "two million, one hundred seventy-two thousand, two hundred ninety-two".