2273231 has 2 divisors, whose sum is σ = 2273232. Its totient is φ = 2273230.

The previous prime is 2273213. The next prime is 2273239. The reversal of 2273231 is 1323722.

Together with previous prime (2273213) 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 2273231 - 2¹⁴ = 2256847 is a prime.

It is a super-2 number, since 2×2273231² = 10335158358722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2273239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136615 + 1136616.

It is an arithmetic number, because the mean of its divisors is an integer number (1136616).

2^2273231 is an apocalyptic number.

2273231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273231 is an equidigital number, since it uses as much as digits as its factorization.

2273231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 20.

The square root of 2273231 is about 1507.7237810687. The cubic root of 2273231 is about 131.4865075045.

Adding to 2273231 its reverse (1323722), we get a palindrome (3596953).

The spelling of 2273231 in words is "two million, two hundred seventy-three thousand, two hundred thirty-one".