2312290 has 16 divisors (see below), whose sum is σ = 4296960. Its totient is φ = 894960.

The previous prime is 2312267. The next prime is 2312293. The reversal of 2312290 is 922132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2312293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3420 + ... + 4039.

It is an arithmetic number, because the mean of its divisors is an integer number (268560).

2^2312290 is an apocalyptic number.

2312290 is a deficient number, since it is larger than the sum of its proper divisors (1984670).

2312290 is a wasteful number, since it uses less digits than its factorization.

2312290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7497.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2312290 is about 1520.6215834322. The cubic root of 2312290 is about 132.2353087765.

The spelling of 2312290 in words is "two million, three hundred twelve thousand, two hundred ninety".