2228465188 has 12 divisors (see below), whose sum is σ = 3901130352. Its totient is φ = 1113856520.

The previous prime is 2228465177. The next prime is 2228465207. The reversal of 2228465188 is 8815648222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80470 + ... + 104557.

It is an arithmetic number, because the mean of its divisors is an integer number (325094196).

Almost surely, 2^2228465188 is an apocalyptic number.

It is an amenable number.

2228465188 is a deficient number, since it is larger than the sum of its proper divisors (1672665164).

2228465188 is a wasteful number, since it uses less digits than its factorization.

2228465188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188042 (or 188040 counting only the distinct ones).

The product of its digits is 491520, while the sum is 46.

The square root of 2228465188 is about 47206.6222896746. The cubic root of 2228465188 is about 1306.1767570541.

The spelling of 2228465188 in words is "two billion, two hundred twenty-eight million, four hundred sixty-five thousand, one hundred eighty-eight".