2231084856 has 192 divisors, whose sum is σ = 7623262080. Its totient is φ = 534885120.

The previous prime is 2231084833. The next prime is 2231084881. The reversal of 2231084856 is 6584801322.

It is a super-3 number, since 3×2231084856³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161535 + ... + 174801.

It is an arithmetic number, because the mean of its divisors is an integer number (39704490).

Almost surely, 2^2231084856 is an apocalyptic number.

2231084856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231084856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3811631040).

2231084856 is an abundant number, since it is smaller than the sum of its proper divisors (5392177224).

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

2231084856 is a wasteful number, since it uses less digits than its factorization.

2231084856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13314 (or 13303 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2231084856 is about 47234.3609674144. The cubic root of 2231084856 is about 1306.6883811584.

The spelling of 2231084856 in words is "two billion, two hundred thirty-one million, eighty-four thousand, eight hundred fifty-six".