342228371 has 2 divisors, whose sum is σ = 342228372. Its totient is φ = 342228370.

The previous prime is 342228331. The next prime is 342228401. The reversal of 342228371 is 173822243.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342228371 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342228301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171114185 + 171114186.

It is an arithmetic number, because the mean of its divisors is an integer number (171114186).

Almost surely, 2^342228371 is an apocalyptic number.

342228371 is a deficient number, since it is larger than the sum of its proper divisors (1).

342228371 is an equidigital number, since it uses as much as digits as its factorization.

342228371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 342228371 is about 18499.4154231965. The cubic root of 342228371 is about 699.4746881937.

Subtracting from 342228371 its product of digits (16128), we obtain a palindrome (342212243).

The spelling of 342228371 in words is "three hundred forty-two million, two hundred twenty-eight thousand, three hundred seventy-one".