2275831 has 2 divisors, whose sum is σ = 2275832. Its totient is φ = 2275830.

The previous prime is 2275813. The next prime is 2275837. The reversal of 2275831 is 1385722.

Together with previous prime (2275813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2275831 - 2⁷ = 2275703 is a prime.

It is a super-3 number, since 3×2275831³ = 35362363265333043573, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2275831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2275837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137915 + 1137916.

It is an arithmetic number, because the mean of its divisors is an integer number (1137916).

2^2275831 is an apocalyptic number.

2275831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2275831 is an equidigital number, since it uses as much as digits as its factorization.

2275831 is an evil number, because the sum of its binary digits is even.

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

The square root of 2275831 is about 1508.5857615661. The cubic root of 2275831 is about 131.5366174826.

The spelling of 2275831 in words is "two million, two hundred seventy-five thousand, eight hundred thirty-one".