2133172 has 12 divisors (see below), whose sum is σ = 3853696. Its totient is φ = 1032120.

The previous prime is 2133167. The next prime is 2133191. The reversal of 2133172 is 2713312.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 8478 + ... + 8725.

2^2133172 is an apocalyptic number.

It is an amenable number.

2133172 is a deficient number, since it is larger than the sum of its proper divisors (1720524).

2133172 is a wasteful number, since it uses less digits than its factorization.

2133172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17238 (or 17236 counting only the distinct ones).

The product of its digits is 252, while the sum is 19.

The square root of 2133172 is about 1460.5382569450. The cubic root of 2133172 is about 128.7286727485.

Adding to 2133172 its reverse (2713312), we get a palindrome (4846484).

The spelling of 2133172 in words is "two million, one hundred thirty-three thousand, one hundred seventy-two".