2239315820 has 48 divisors (see below), whose sum is σ = 5690502720. Its totient is φ = 722601984.

The previous prime is 2239315817. The next prime is 2239315843. The reversal of 2239315820 is 285139322.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 468065 + ... + 472824.

It is an arithmetic number, because the mean of its divisors is an integer number (118552140).

Almost surely, 2^2239315820 is an apocalyptic number.

2239315820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2239315820 is an abundant number, since it is smaller than the sum of its proper divisors (3451186900).

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

2239315820 is a wasteful number, since it uses less digits than its factorization.

2239315820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940922 (or 940920 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2239315820 is about 47321.4097423143. The cubic root of 2239315820 is about 1308.2932963348.

The spelling of 2239315820 in words is "two billion, two hundred thirty-nine million, three hundred fifteen thousand, eight hundred twenty".