2275157 has 4 divisors (see below), whose sum is σ = 2296140. Its totient is φ = 2254176.

The previous prime is 2275151. The next prime is 2275171. The reversal of 2275157 is 7515722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7515722 = 2 ⋅3757861.

It can be written as a sum of positive squares in 2 ways, for example, as 1164241 + 1110916 = 1079^2 + 1054^2 .

It is a cyclic number.

It is not a de Polignac number, because 2275157 - 2⁸ = 2274901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275151) 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, 10328 + ... + 10545.

It is an arithmetic number, because the mean of its divisors is an integer number (574035).

2^2275157 is an apocalyptic number.

It is an amenable number.

2275157 is a deficient number, since it is larger than the sum of its proper divisors (20983).

2275157 is a wasteful number, since it uses less digits than its factorization.

2275157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20982.

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

The square root of 2275157 is about 1508.3623569952. The cubic root of 2275157 is about 131.5236311004.

The spelling of 2275157 in words is "two million, two hundred seventy-five thousand, one hundred fifty-seven".