2230813 has 8 divisors (see below), whose sum is σ = 2419928. Its totient is φ = 2044224.

The previous prime is 2230801. The next prime is 2230819. The reversal of 2230813 is 3180322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 375769 + 1855044 = 613^2 + 1362^2 .

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

It is not a de Polignac number, because 2230813 - 2⁹ = 2230301 is a prime.

It is a super-3 number, since 3×2230813³ = 33305100976559933391, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230819) 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, 1495 + ... + 2587.

It is an arithmetic number, because the mean of its divisors is an integer number (302491).

2^2230813 is an apocalyptic number.

It is an amenable number.

2230813 is a deficient number, since it is larger than the sum of its proper divisors (189115).

2230813 is a wasteful number, since it uses less digits than its factorization.

2230813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2230813 is about 1493.5906400349. The cubic root of 2230813 is about 130.6635306006.

The spelling of 2230813 in words is "two million, two hundred thirty thousand, eight hundred thirteen".