2259172 has 6 divisors (see below), whose sum is σ = 3953558. Its totient is φ = 1129584.

The previous prime is 2259161. The next prime is 2259197. The reversal of 2259172 is 2719522.

It can be written as a sum of positive squares in only one way, i.e., 1705636 + 553536 = 1306^2 + 744^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2259172.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282393 + ... + 282400.

2^2259172 is an apocalyptic number.

It is an amenable number.

2259172 is a deficient number, since it is larger than the sum of its proper divisors (1694386).

2259172 is a wasteful number, since it uses less digits than its factorization.

2259172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564797 (or 564795 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 2259172 is about 1503.0542239054. The cubic root of 2259172 is about 131.2148834246.

The spelling of 2259172 in words is "two million, two hundred fifty-nine thousand, one hundred seventy-two".