2270904 has 16 divisors (see below), whose sum is σ = 5677320. Its totient is φ = 756960.

The previous prime is 2270897. The next prime is 2270921. The reversal of 2270904 is 4090722.

2270904 = 47² + 48² + ... + 190².

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 94621 = 2270904 / (2 + 2 + 7 + 0 + 9 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47287 + ... + 47334.

2^2270904 is an apocalyptic number.

2270904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2270904 is an abundant number, since it is smaller than the sum of its proper divisors (3406416).

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

2270904 is a wasteful number, since it uses less digits than its factorization.

2270904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94630 (or 94626 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2270904 is about 1506.9518904066. The cubic root of 2270904 is about 131.4416266624.

The spelling of 2270904 in words is "two million, two hundred seventy thousand, nine hundred four".