2198231145 has 48 divisors (see below), whose sum is σ = 4227163200. Its totient is φ = 1047730560.

The previous prime is 2198231137. The next prime is 2198231177. The reversal of 2198231145 is 5411328912.

It is not a de Polignac number, because 2198231145 - 2³ = 2198231137 is a prime.

It is a super-2 number, since 2×2198231145² = 9664440333696022050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8430 + ... + 66839.

It is an arithmetic number, because the mean of its divisors is an integer number (88065900).

Almost surely, 2^2198231145 is an apocalyptic number.

It is an amenable number.

2198231145 is a deficient number, since it is larger than the sum of its proper divisors (2028932055).

2198231145 is a wasteful number, since it uses less digits than its factorization.

2198231145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75350 (or 75347 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 2198231145 is about 46885.2977488679. The cubic root of 2198231145 is about 1300.2427840441.

The spelling of 2198231145 in words is "two billion, one hundred ninety-eight million, two hundred thirty-one thousand, one hundred forty-five".