2291470992 has 40 divisors (see below), whose sum is σ = 6577371680. Its totient is φ = 763823520.

The previous prime is 2291470943. The next prime is 2291471009. The reversal of 2291470992 is 2990741922.

2291470992 is a `hidden beast` number, since 2 + 2 + 91 + 470 + 9 + 92 = 666.

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, 2651734 + ... + 2652597.

It is an arithmetic number, because the mean of its divisors is an integer number (164434292).

Almost surely, 2^2291470992 is an apocalyptic number.

It is an amenable number.

2291470992 is an abundant number, since it is smaller than the sum of its proper divisors (4285900688).

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

2291470992 is a wasteful number, since it uses less digits than its factorization.

2291470992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304348 (or 5304336 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 2291470992 is about 47869.3115889502. The cubic root of 2291470992 is about 1318.3724568949.

The spelling of 2291470992 in words is "two billion, two hundred ninety-one million, four hundred seventy thousand, nine hundred ninety-two".