2230686291 has 4 divisors (see below), whose sum is σ = 2974248392. Its totient is φ = 1487124192.

The previous prime is 2230686281. The next prime is 2230686319. The reversal of 2230686291 is 1926860322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2230686291 - 2⁵ = 2230686259 is a prime.

It is a super-2 number, since 2×2230686291² = 9951922657710673362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2230686281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371781046 + ... + 371781051.

It is an arithmetic number, because the mean of its divisors is an integer number (743562098).

Almost surely, 2^2230686291 is an apocalyptic number.

2230686291 is a deficient number, since it is larger than the sum of its proper divisors (743562101).

2230686291 is an equidigital number, since it uses as much as digits as its factorization.

2230686291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743562100.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 2230686291 is about 47230.1417634968. The cubic root of 2230686291 is about 1306.6105668060.

The spelling of 2230686291 in words is "two billion, two hundred thirty million, six hundred eighty-six thousand, two hundred ninety-one".