2275905 has 16 divisors (see below), whose sum is σ = 3694464. Its totient is φ = 1196160.

The previous prime is 2275879. The next prime is 2275913. The reversal of 2275905 is 5095722.

It is a happy number.

It is not a de Polignac number, because 2275905 - 2⁹ = 2275393 is a prime.

2275905 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4 + ... + 2133.

It is an arithmetic number, because the mean of its divisors is an integer number (230904).

2^2275905 is an apocalyptic number.

It is an amenable number.

2275905 is a deficient number, since it is larger than the sum of its proper divisors (1418559).

2275905 is a wasteful number, since it uses less digits than its factorization.

2275905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 2275905 is about 1508.6102876489. The cubic root of 2275905 is about 131.5380431309.

The spelling of 2275905 in words is "two million, two hundred seventy-five thousand, nine hundred five".