2291992455 has 16 divisors (see below), whose sum is σ = 3756632544. Its totient is φ = 1192581120.

The previous prime is 2291992453. The next prime is 2291992463. The reversal of 2291992455 is 5542991922.

It is not a de Polignac number, because 2291992455 - 2¹ = 2291992453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291992453) 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, 1862794 + ... + 1864023.

It is an arithmetic number, because the mean of its divisors is an integer number (234789534).

Almost surely, 2^2291992455 is an apocalyptic number.

2291992455 is a deficient number, since it is larger than the sum of its proper divisors (1464640089).

2291992455 is a wasteful number, since it uses less digits than its factorization.

2291992455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726866.

The product of its digits is 583200, while the sum is 48.

The square root of 2291992455 is about 47874.7580150542. The cubic root of 2291992455 is about 1318.4724552971.

The spelling of 2291992455 in words is "two billion, two hundred ninety-one million, nine hundred ninety-two thousand, four hundred fifty-five".