229346431 has 2 divisors, whose sum is σ = 229346432. Its totient is φ = 229346430.

The previous prime is 229346419. The next prime is 229346437. The reversal of 229346431 is 134643922.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229346431 - 2⁵ = 229346399 is a prime.

It is a super-2 number, since 2×229346431² = 105199570824875522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229346437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114673215 + 114673216.

It is an arithmetic number, because the mean of its divisors is an integer number (114673216).

Almost surely, 2^229346431 is an apocalyptic number.

229346431 is a deficient number, since it is larger than the sum of its proper divisors (1).

229346431 is an equidigital number, since it uses as much as digits as its factorization.

229346431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 229346431 is about 15144.1880270948. The cubic root of 229346431 is about 612.1116736635. Note that the first 3 decimals are identical.

The spelling of 229346431 in words is "two hundred twenty-nine million, three hundred forty-six thousand, four hundred thirty-one".