2230891091 has 24 divisors (see below), whose sum is σ = 2726246160. Its totient is φ = 1807478400.

The previous prime is 2230891031. The next prime is 2230891097. The reversal of 2230891091 is 1901980322.

It is not a de Polignac number, because 2230891091 - 2¹⁸ = 2230628947 is a prime.

It is a super-3 number, since 3×2230891091³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2230891097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33221 + ... + 74601.

It is an arithmetic number, because the mean of its divisors is an integer number (113593590).

Almost surely, 2^2230891091 is an apocalyptic number.

2230891091 is a deficient number, since it is larger than the sum of its proper divisors (495355069).

2230891091 is a wasteful number, since it uses less digits than its factorization.

2230891091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41447 (or 41434 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 2230891091 is about 47232.3098207149. The cubic root of 2230891091 is about 1306.6505523561.

The spelling of 2230891091 in words is "two billion, two hundred thirty million, eight hundred ninety-one thousand, ninety-one".