2290156 has 48 divisors (see below), whose sum is σ = 4773888. Its totient is φ = 950400.

The previous prime is 2290153. The next prime is 2290177. The reversal of 2290156 is 6510922.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2290156.

It is not an unprimeable number, because it can be changed into a prime (2290151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31336 + ... + 31408.

It is an arithmetic number, because the mean of its divisors is an integer number (99456).

2^2290156 is an apocalyptic number.

It is an amenable number.

2290156 is an abundant number, since it is smaller than the sum of its proper divisors (2483732).

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

2290156 is a wasteful number, since it uses less digits than its factorization.

2290156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2290156 is about 1513.3261380152. The cubic root of 2290156 is about 131.8120219944.

The spelling of 2290156 in words is "two million, two hundred ninety thousand, one hundred fifty-six".