2203138764 has 30 divisors (see below), whose sum is σ = 5759440764. Its totient is φ = 734379480.

The previous prime is 2203138747. The next prime is 2203138793. The reversal of 2203138764 is 4678313022.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3399582 + ... + 3400229.

Almost surely, 2^2203138764 is an apocalyptic number.

It is an amenable number.

2203138764 is an abundant number, since it is smaller than the sum of its proper divisors (3556302000).

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

2203138764 is a wasteful number, since it uses less digits than its factorization.

2203138764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6799827 (or 6799816 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 2203138764 is about 46937.6050092034. The cubic root of 2203138764 is about 1301.2096756018.

The spelling of 2203138764 in words is "two billion, two hundred three million, one hundred thirty-eight thousand, seven hundred sixty-four".