2289270 has 32 divisors (see below), whose sum is σ = 5544288. Its totient is φ = 604928.

The previous prime is 2289263. The next prime is 2289281. The reversal of 2289270 is 729822.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3832 + ... + 4388.

It is an arithmetic number, because the mean of its divisors is an integer number (173259).

2^2289270 is an apocalyptic number.

2289270 is an abundant number, since it is smaller than the sum of its proper divisors (3255018).

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

2289270 is a wasteful number, since it uses less digits than its factorization.

2289270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2289270 is about 1513.0333770278. The cubic root of 2289270 is about 131.7950216220.

The spelling of 2289270 in words is "two million, two hundred eighty-nine thousand, two hundred seventy".