234422431 has 2 divisors, whose sum is σ = 234422432. Its totient is φ = 234422430.

The previous prime is 234422423. The next prime is 234422449. The reversal of 234422431 is 134224432.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234422431 - 2³ = 234422423 is a prime.

It is a super-2 number, since 2×234422431² = 109907752311899522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234422396 and 234422405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234422411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117211215 + 117211216.

It is an arithmetic number, because the mean of its divisors is an integer number (117211216).

Almost surely, 2^234422431 is an apocalyptic number.

234422431 is a deficient number, since it is larger than the sum of its proper divisors (1).

234422431 is an equidigital number, since it uses as much as digits as its factorization.

234422431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 25.

The square root of 234422431 is about 15310.8599040028. The cubic root of 234422431 is about 616.5946068546.

Adding to 234422431 its reverse (134224432), we get a palindrome (368646863).

The spelling of 234422431 in words is "two hundred thirty-four million, four hundred twenty-two thousand, four hundred thirty-one".