2275138 has 4 divisors (see below), whose sum is σ = 3412710. Its totient is φ = 1137568.

The previous prime is 2275103. The next prime is 2275139. The reversal of 2275138 is 8315722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2259009 + 16129 = 1503^2 + 127^2 .

It is not an unprimeable number, because it can be changed into a prime (2275139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568783 + ... + 568786.

2^2275138 is an apocalyptic number.

2275138 is a deficient number, since it is larger than the sum of its proper divisors (1137572).

2275138 is a wasteful number, since it uses less digits than its factorization.

2275138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137571.

The product of its digits is 3360, while the sum is 28.

The square root of 2275138 is about 1508.3560587607. The cubic root of 2275138 is about 131.5232649783.

The spelling of 2275138 in words is "two million, two hundred seventy-five thousand, one hundred thirty-eight".