2273431 has 2 divisors, whose sum is σ = 2273432. Its totient is φ = 2273430.

The previous prime is 2273399. The next prime is 2273443. The reversal of 2273431 is 1343722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2273431 - 2⁵ = 2273399 is a prime.

It is a super-2 number, since 2×2273431² = 10336977023522, 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 (2273471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136715 + 1136716.

It is an arithmetic number, because the mean of its divisors is an integer number (1136716).

2^2273431 is an apocalyptic number.

2273431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273431 is an equidigital number, since it uses as much as digits as its factorization.

2273431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 22.

The square root of 2273431 is about 1507.7901047560. The cubic root of 2273431 is about 131.4903634743.

It can be divided in two parts, 2273 and 431, that added together give a square (2704 = 52²).

The spelling of 2273431 in words is "two million, two hundred seventy-three thousand, four hundred thirty-one".