2175572 has 12 divisors (see below), whose sum is σ = 4351200. Its totient is φ = 932376.

The previous prime is 2175559. The next prime is 2175577. The reversal of 2175572 is 2755712.

2175572 is an admirable number.

It is a super-2 number, since 2×2175572² = 9466227054368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175577) 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, 38822 + ... + 38877.

It is an arithmetic number, because the mean of its divisors is an integer number (362600).

2^2175572 is an apocalyptic number.

It is an amenable number.

2175572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2175572 is a wasteful number, since it uses less digits than its factorization.

2175572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77710 (or 77708 counting only the distinct ones).

The product of its digits is 4900, while the sum is 29.

The square root of 2175572 is about 1474.9820337889. The cubic root of 2175572 is about 129.5759754533.

The spelling of 2175572 in words is "two million, one hundred seventy-five thousand, five hundred seventy-two".