2231093 has 2 divisors, whose sum is σ = 2231094. Its totient is φ = 2231092.

The previous prime is 2231087. The next prime is 2231107. The reversal of 2231093 is 3901322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1868689 + 362404 = 1367^2 + 602^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231093 - 2⁴ = 2231077 is a prime.

It is a super-3 number, since 3×2231093³ = 33317643397822684071, which contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115546 + 1115547.

It is an arithmetic number, because the mean of its divisors is an integer number (1115547).

2^2231093 is an apocalyptic number.

It is an amenable number.

2231093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231093 is an equidigital number, since it uses as much as digits as its factorization.

2231093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2231093 is about 1493.6843709432. The cubic root of 2231093 is about 130.6689971066.

The spelling of 2231093 in words is "two million, two hundred thirty-one thousand, ninety-three".