2275818 has 16 divisors (see below), whose sum is σ = 4658016. Its totient is φ = 740880.

The previous prime is 2275813. The next prime is 2275831. The reversal of 2275818 is 8185722.

It is not an unprimeable number, because it can be changed into a prime (2275813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4153 + ... + 4668.

It is an arithmetic number, because the mean of its divisors is an integer number (291126).

2^2275818 is an apocalyptic number.

2275818 is an abundant number, since it is smaller than the sum of its proper divisors (2382198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2275818 is a wasteful number, since it uses less digits than its factorization.

2275818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8869.

The product of its digits is 8960, while the sum is 33.

The square root of 2275818 is about 1508.5814528888. The cubic root of 2275818 is about 131.5363670277.

The spelling of 2275818 in words is "two million, two hundred seventy-five thousand, eight hundred eighteen".