2175772 has 12 divisors (see below), whose sum is σ = 3845296. Its totient is φ = 1077120.

The previous prime is 2175769. The next prime is 2175773. The reversal of 2175772 is 2775712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2229 + ... + 3052.

2^2175772 is an apocalyptic number.

It is an amenable number.

2175772 is a deficient number, since it is larger than the sum of its proper divisors (1669524).

2175772 is a wasteful number, since it uses less digits than its factorization.

2175772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388 (or 5386 counting only the distinct ones).

The product of its digits is 6860, while the sum is 31.

The square root of 2175772 is about 1475.0498296668. The cubic root of 2175772 is about 129.5799459648.

The spelling of 2175772 in words is "two million, one hundred seventy-five thousand, seven hundred seventy-two".