2172275 has 12 divisors (see below), whose sum is σ = 3078672. Its totient is φ = 1489440.

The previous prime is 2172257. The next prime is 2172283. The reversal of 2172275 is 5722712.

It is not a de Polignac number, because 2172275 - 2⁶ = 2172211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6032 + ... + 6381.

It is an arithmetic number, because the mean of its divisors is an integer number (256556).

2^2172275 is an apocalyptic number.

2172275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2172275 is a deficient number, since it is larger than the sum of its proper divisors (906397).

2172275 is a wasteful number, since it uses less digits than its factorization.

2172275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430 (or 12425 counting only the distinct ones).

The product of its digits is 1960, while the sum is 26.

The square root of 2172275 is about 1473.8639692997. The cubic root of 2172275 is about 129.5104864721.

Adding to 2172275 its reverse (5722712), we get a palindrome (7894987).

The spelling of 2172275 in words is "two million, one hundred seventy-two thousand, two hundred seventy-five".