226043239 has 2 divisors, whose sum is σ = 226043240. Its totient is φ = 226043238.

The previous prime is 226043231. The next prime is 226043261. The reversal of 226043239 is 932340622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226043239 - 2³ = 226043231 is a prime.

It is a super-2 number, since 2×226043239² = 102191091795222242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 226043239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226043231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113021619 + 113021620.

It is an arithmetic number, because the mean of its divisors is an integer number (113021620).

Almost surely, 2^226043239 is an apocalyptic number.

226043239 is a deficient number, since it is larger than the sum of its proper divisors (1).

226043239 is an equidigital number, since it uses as much as digits as its factorization.

226043239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 226043239 is about 15034.7344173417. The cubic root of 226043239 is about 609.1587786344.

The spelling of 226043239 in words is "two hundred twenty-six million, forty-three thousand, two hundred thirty-nine".