2239193856 has 72 divisors (see below), whose sum is σ = 6057344944. Its totient is φ = 734146560.

The previous prime is 2239193839. The next prime is 2239193863. The reversal of 2239193856 is 6583919322.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22950 + ... + 70746.

Almost surely, 2^2239193856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2239193856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3028672472).

2239193856 is an abundant number, since it is smaller than the sum of its proper divisors (3818151088).

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

2239193856 is an equidigital number, since it uses as much as digits as its factorization.

2239193856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47877 (or 47863 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 2239193856 is about 47320.1210480278. The cubic root of 2239193856 is about 1308.2695439042.

The spelling of 2239193856 in words is "two billion, two hundred thirty-nine million, one hundred ninety-three thousand, eight hundred fifty-six".