2268172 has 12 divisors (see below), whose sum is σ = 3999240. Its totient is φ = 1125536.

The previous prime is 2268143. The next prime is 2268193. The reversal of 2268172 is 2718622.

It is a self number, because there is not a number n which added to its sum of digits gives 2268172.

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, 1522 + ... + 2617.

It is an arithmetic number, because the mean of its divisors is an integer number (333270).

2^2268172 is an apocalyptic number.

It is an amenable number.

2268172 is a deficient number, since it is larger than the sum of its proper divisors (1731068).

2268172 is a wasteful number, since it uses less digits than its factorization.

2268172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280 (or 4278 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 2268172 is about 1506.0451520456. The cubic root of 2268172 is about 131.3888954411.

The spelling of 2268172 in words is "two million, two hundred sixty-eight thousand, one hundred seventy-two".