2297998161 has 16 divisors (see below), whose sum is σ = 3460254720. Its totient is φ = 1506882960.

The previous prime is 2297998147. The next prime is 2297998229. The reversal of 2297998161 is 1618997922.

It is not a de Polignac number, because 2297998161 - 2⁶ = 2297998097 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2297998098 and 2297998107.

It is not an unprimeable number, because it can be changed into a prime (2297998961) 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, 695985 + ... + 699278.

It is an arithmetic number, because the mean of its divisors is an integer number (216265920).

Almost surely, 2^2297998161 is an apocalyptic number.

It is an amenable number.

2297998161 is a deficient number, since it is larger than the sum of its proper divisors (1162256559).

2297998161 is a wasteful number, since it uses less digits than its factorization.

2297998161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395333 (or 1395327 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 2297998161 is about 47937.4400755818. The cubic root of 2297998161 is about 1319.6230483561.

The spelling of 2297998161 in words is "two billion, two hundred ninety-seven million, nine hundred ninety-eight thousand, one hundred sixty-one".