342222539 has 2 divisors, whose sum is σ = 342222540. Its totient is φ = 342222538.

The previous prime is 342222511. The next prime is 342222541. The reversal of 342222539 is 935222243.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342222539 is a prime.

It is a Sophie Germain prime.

Together with 342222541, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342222599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171111269 + 171111270.

It is an arithmetic number, because the mean of its divisors is an integer number (171111270).

Almost surely, 2^342222539 is an apocalyptic number.

342222539 is a deficient number, since it is larger than the sum of its proper divisors (1).

342222539 is an equidigital number, since it uses as much as digits as its factorization.

342222539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 342222539 is about 18499.2577959225. The cubic root of 342222539 is about 699.4707148629.

The spelling of 342222539 in words is "three hundred forty-two million, two hundred twenty-two thousand, five hundred thirty-nine".