239422427 has 2 divisors, whose sum is σ = 239422428. Its totient is φ = 239422426.

The previous prime is 239422399. The next prime is 239422453. The reversal of 239422427 is 724224932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 239422427 - 2⁸ = 239422171 is a prime.

It is not a weakly prime, because it can be changed into another prime (239427427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119711213 + 119711214.

It is an arithmetic number, because the mean of its divisors is an integer number (119711214).

Almost surely, 2^239422427 is an apocalyptic number.

239422427 is a deficient number, since it is larger than the sum of its proper divisors (1).

239422427 is an equidigital number, since it uses as much as digits as its factorization.

239422427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 35.

The square root of 239422427 is about 15473.2810676986. The cubic root of 239422427 is about 620.9475858653.

The spelling of 239422427 in words is "two hundred thirty-nine million, four hundred twenty-two thousand, four hundred twenty-seven".