2192290 has 16 divisors (see below), whose sum is σ = 3968640. Its totient is φ = 871920.

The previous prime is 2192273. The next prime is 2192293. The reversal of 2192290 is 922912.

It is a super-2 number, since 2×2192290² = 9612270888200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2192293) 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, 1591 + ... + 2629.

It is an arithmetic number, because the mean of its divisors is an integer number (248040).

2^2192290 is an apocalyptic number.

2192290 is a deficient number, since it is larger than the sum of its proper divisors (1776350).

2192290 is a wasteful number, since it uses less digits than its factorization.

2192290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2192290 is about 1480.6383758366. The cubic root of 2192290 is about 129.9070341256.

The spelling of 2192290 in words is "two million, one hundred ninety-two thousand, two hundred ninety".