2193036228 has 48 divisors (see below), whose sum is σ = 5770528960. Its totient is φ = 720099072.

The previous prime is 2193036199. The next prime is 2193036247. The reversal of 2193036228 is 8226303912.

2193036228 is a `hidden beast` number, since 21 + 9 + 3 + 0 + 3 + 622 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2193036192 and 2193036201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144301 + ... + 158772.

Almost surely, 2^2193036228 is an apocalyptic number.

It is an amenable number.

2193036228 is an abundant number, since it is smaller than the sum of its proper divisors (3577492732).

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

2193036228 is a wasteful number, since it uses less digits than its factorization.

2193036228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303153 (or 303145 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2193036228 is about 46829.8647019186. The cubic root of 2193036228 is about 1299.2177202818.

The spelling of 2193036228 in words is "two billion, one hundred ninety-three million, thirty-six thousand, two hundred twenty-eight".