2297948161 has 4 divisors (see below), whose sum is σ = 2298157524. Its totient is φ = 2297738800.

The previous prime is 2297948153. The next prime is 2297948167. The reversal of 2297948161 is 1618497922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 221414400 + 2076533761 = 14880^2 + 45569^2 .

It is a cyclic number.

It is not a de Polignac number, because 2297948161 - 2³ = 2297948153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2297948167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87250 + ... + 110491.

It is an arithmetic number, because the mean of its divisors is an integer number (574539381).

Almost surely, 2^2297948161 is an apocalyptic number.

It is an amenable number.

2297948161 is a deficient number, since it is larger than the sum of its proper divisors (209363).

2297948161 is a wasteful number, since it uses less digits than its factorization.

2297948161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209362.

The product of its digits is 435456, while the sum is 49.

The square root of 2297948161 is about 47936.9185597072. The cubic root of 2297948161 is about 1319.6134774707.

The spelling of 2297948161 in words is "two billion, two hundred ninety-seven million, nine hundred forty-eight thousand, one hundred sixty-one".