2230531 has 2 divisors, whose sum is σ = 2230532. Its totient is φ = 2230530.

The previous prime is 2230513. The next prime is 2230541. The reversal of 2230531 is 1350322.

Together with previous prime (2230513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2230531 - 2¹¹ = 2228483 is a prime.

It is a super-2 number, since 2×2230531² = 9950537083922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2230511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115265 + 1115266.

It is an arithmetic number, because the mean of its divisors is an integer number (1115266).

2^2230531 is an apocalyptic number.

2230531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2230531 is an equidigital number, since it uses as much as digits as its factorization.

2230531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2230531 is about 1493.4962336745. The cubic root of 2230531 is about 130.6580245858.

Adding to 2230531 its reverse (1350322), we get a palindrome (3580853).

The spelling of 2230531 in words is "two million, two hundred thirty thousand, five hundred thirty-one".