2231084855 has 4 divisors (see below), whose sum is σ = 2677301832. Its totient is φ = 1784867880.

The previous prime is 2231084833. The next prime is 2231084881. The reversal of 2231084855 is 5584801322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5584801322 = 2 ⋅2792400661.

It is not a de Polignac number, because 2231084855 - 2¹⁶ = 2231019319 is a prime.

It is a super-3 number, since 3×2231084855³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223108481 + ... + 223108490.

It is an arithmetic number, because the mean of its divisors is an integer number (669325458).

Almost surely, 2^2231084855 is an apocalyptic number.

2231084855 is a deficient number, since it is larger than the sum of its proper divisors (446216977).

2231084855 is an equidigital number, since it uses as much as digits as its factorization.

2231084855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446216976.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 2231084855 is about 47234.3609568289. The cubic root of 2231084855 is about 1306.6883809632.

The spelling of 2231084855 in words is "two billion, two hundred thirty-one million, eighty-four thousand, eight hundred fifty-five".