2243900538 has 48 divisors (see below), whose sum is σ = 5403861216. Its totient is φ = 667137120.

The previous prime is 2243900509. The next prime is 2243900563. The reversal of 2243900538 is 8350093422.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96420 + ... + 117407.

It is an arithmetic number, because the mean of its divisors is an integer number (112580442).

Almost surely, 2^2243900538 is an apocalyptic number.

2243900538 is an abundant number, since it is smaller than the sum of its proper divisors (3159960678).

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

2243900538 is a wasteful number, since it uses less digits than its factorization.

2243900538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213899 (or 213896 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2243900538 is about 47369.8272954420. The cubic root of 2243900538 is about 1309.1855431140.

The spelling of 2243900538 in words is "two billion, two hundred forty-three million, nine hundred thousand, five hundred thirty-eight".