2291470 has 24 divisors (see below), whose sum is σ = 4279176. Its totient is φ = 883008.

The previous prime is 2291459. The next prime is 2291477. The reversal of 2291470 is 741922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31354 + ... + 31426.

It is an arithmetic number, because the mean of its divisors is an integer number (178299).

2^2291470 is an apocalyptic number.

2291470 is a deficient number, since it is larger than the sum of its proper divisors (1987706).

2291470 is an equidigital number, since it uses as much as digits as its factorization.

2291470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2291470 is about 1513.7602187929. The cubic root of 2291470 is about 131.8372266649.

The spelling of 2291470 in words is "two million, two hundred ninety-one thousand, four hundred seventy".