2230891 has 8 divisors (see below), whose sum is σ = 2437344. Its totient is φ = 2029440.

The previous prime is 2230873. The next prime is 2230939. The reversal of 2230891 is 1980322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2230891 - 2¹⁹ = 1706603 is a prime.

It is a super-3 number, since 3×2230891³ = 33308594620413713913, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2230801) 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, 286 + ... + 2131.

It is an arithmetic number, because the mean of its divisors is an integer number (304668).

2^2230891 is an apocalyptic number.

2230891 is a deficient number, since it is larger than the sum of its proper divisors (206453).

2230891 is a wasteful number, since it uses less digits than its factorization.

2230891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2230891 is about 1493.6167513790. The cubic root of 2230891 is about 130.6650534590.

The spelling of 2230891 in words is "two million, two hundred thirty thousand, eight hundred ninety-one".