2230861 has 2 divisors, whose sum is σ = 2230862. Its totient is φ = 2230860.

The previous prime is 2230829. The next prime is 2230867. The reversal of 2230861 is 1680322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2157961 + 72900 = 1469^2 + 270^2 .

It is a cyclic number.

It is not a de Polignac number, because 2230861 - 2⁵ = 2230829 is a prime.

It is a super-3 number, since 3×2230861³ = 33307250882327302143, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2230867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115430 + 1115431.

It is an arithmetic number, because the mean of its divisors is an integer number (1115431).

2^2230861 is an apocalyptic number.

It is an amenable number.

2230861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2230861 is an equidigital number, since it uses as much as digits as its factorization.

2230861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2230861 is about 1493.6067086084. The cubic root of 2230861 is about 130.6644677484.

The spelling of 2230861 in words is "two million, two hundred thirty thousand, eight hundred sixty-one".