2256784332 has 24 divisors (see below), whose sum is σ = 5744542272. Its totient is φ = 683874000.

The previous prime is 2256784267. The next prime is 2256784333. The reversal of 2256784332 is 2334876522.

It is not an unprimeable number, because it can be changed into a prime (2256784333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8548294 + ... + 8548557.

It is an arithmetic number, because the mean of its divisors is an integer number (239355928).

Almost surely, 2^2256784332 is an apocalyptic number.

2256784332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2256784332 is an abundant number, since it is smaller than the sum of its proper divisors (3487757940).

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

2256784332 is a wasteful number, since it uses less digits than its factorization.

2256784332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17096869 (or 17096867 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The square root of 2256784332 is about 47505.6242144022. The cubic root of 2256784332 is about 1311.6864111168.

The spelling of 2256784332 in words is "two billion, two hundred fifty-six million, seven hundred eighty-four thousand, three hundred thirty-two".