2291505474 has 16 divisors (see below), whose sum is σ = 4625058240. Its totient is φ = 756827280.

The previous prime is 2291505451. The next prime is 2291505493. The reversal of 2291505474 is 4745051922.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751262 + ... + 1752569.

It is an arithmetic number, because the mean of its divisors is an integer number (289066140).

Almost surely, 2^2291505474 is an apocalyptic number.

2291505474 is an abundant number, since it is smaller than the sum of its proper divisors (2333552766).

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

2291505474 is a wasteful number, since it uses less digits than its factorization.

2291505474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503945.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 2291505474 is about 47869.6717557161. The cubic root of 2291505474 is about 1318.3790698073.

The spelling of 2291505474 in words is "two billion, two hundred ninety-one million, five hundred five thousand, four hundred seventy-four".