2163513228 has 24 divisors (see below), whose sum is σ = 5345150832. Its totient is φ = 678749184.

The previous prime is 2163513217. The next prime is 2163513251. The reversal of 2163513228 is 8223153612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5302525 + ... + 5302932.

It is an arithmetic number, because the mean of its divisors is an integer number (222714618).

Almost surely, 2^2163513228 is an apocalyptic number.

It is an amenable number.

2163513228 is an abundant number, since it is smaller than the sum of its proper divisors (3181637604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2163513228 is a wasteful number, since it uses less digits than its factorization.

2163513228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10605481 (or 10605479 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 2163513228 is about 46513.5811134770. The cubic root of 2163513228 is about 1293.3612696048.

The spelling of 2163513228 in words is "two billion, one hundred sixty-three million, five hundred thirteen thousand, two hundred twenty-eight".