2270918 has 16 divisors (see below), whose sum is σ = 3862320. Its totient is φ = 992736.

The previous prime is 2270897. The next prime is 2270921. The reversal of 2270918 is 8190722.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805 + ... + 2792.

It is an arithmetic number, because the mean of its divisors is an integer number (241395).

2^2270918 is an apocalyptic number.

2270918 is a deficient number, since it is larger than the sum of its proper divisors (1591402).

2270918 is a wasteful number, since it uses less digits than its factorization.

2270918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2270918 is about 1506.9565355378. The cubic root of 2270918 is about 131.4418967721.

The spelling of 2270918 in words is "two million, two hundred seventy thousand, nine hundred eighteen".