2291122375 has 8 divisors (see below), whose sum is σ = 2859320880. Its totient is φ = 1832897800.

The previous prime is 2291122373. The next prime is 2291122387. The reversal of 2291122375 is 5732211922.

It is not a de Polignac number, because 2291122375 - 2¹ = 2291122373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2291122375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291122373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9164365 + ... + 9164614.

It is an arithmetic number, because the mean of its divisors is an integer number (357415110).

Almost surely, 2^2291122375 is an apocalyptic number.

2291122375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2291122375 is a deficient number, since it is larger than the sum of its proper divisors (568198505).

2291122375 is an equidigital number, since it uses as much as digits as its factorization.

2291122375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18328994 (or 18328984 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 2291122375 is about 47865.6701091711. The cubic root of 2291122375 is about 1318.3055958607.

The spelling of 2291122375 in words is "two billion, two hundred ninety-one million, one hundred twenty-two thousand, three hundred seventy-five".