2291600290 has 128 divisors (see below), whose sum is σ = 5109350400. Its totient is φ = 723340800.

The previous prime is 2291600257. The next prime is 2291600299. The reversal of 2291600290 is 920061922.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (2291600299) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 3825411 + ... + 3826009.

It is an arithmetic number, because the mean of its divisors is an integer number (39916800).

Almost surely, 2^2291600290 is an apocalyptic number.

2291600290 is an abundant number, since it is smaller than the sum of its proper divisors (2817750110).

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

2291600290 is a wasteful number, since it uses less digits than its factorization.

2291600290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2291600290 is about 47870.6621011241. The cubic root of 2291600290 is about 1318.3972531526.

The spelling of 2291600290 in words is "two billion, two hundred ninety-one million, six hundred thousand, two hundred ninety".