2164288228 has 12 divisors (see below), whose sum is σ = 3788104320. Its totient is φ = 1081972712.

The previous prime is 2164288223. The next prime is 2164288237. The reversal of 2164288228 is 8228824612.

It is not an unprimeable number, because it can be changed into a prime (2164288223) 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, 11968 + ... + 66871.

It is an arithmetic number, because the mean of its divisors is an integer number (315675360).

Almost surely, 2^2164288228 is an apocalyptic number.

It is an amenable number.

2164288228 is a deficient number, since it is larger than the sum of its proper divisors (1623816092).

2164288228 is a wasteful number, since it uses less digits than its factorization.

2164288228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85706 (or 85704 counting only the distinct ones).

The product of its digits is 196608, while the sum is 43.

The square root of 2164288228 is about 46521.9112677027. The cubic root of 2164288228 is about 1293.5156843947.

The spelling of 2164288228 in words is "two billion, one hundred sixty-four million, two hundred eighty-eight thousand, two hundred twenty-eight".