342222131 has 4 divisors (see below), whose sum is σ = 347329992. Its totient is φ = 337114272.

The previous prime is 342222109. The next prime is 342222137. The reversal of 342222131 is 131222243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342222131 - 2¹⁰ = 342221107 is a prime.

It is a super-2 number, since 2×342222131² = 234231973892362322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342222137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2553830 + ... + 2553963.

It is an arithmetic number, because the mean of its divisors is an integer number (86832498).

Almost surely, 2^342222131 is an apocalyptic number.

342222131 is a deficient number, since it is larger than the sum of its proper divisors (5107861).

342222131 is an equidigital number, since it uses as much as digits as its factorization.

342222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107860.

The product of its digits is 576, while the sum is 20.

The square root of 342222131 is about 18499.2467684498. The cubic root of 342222131 is about 699.4704368916.

Adding to 342222131 its reverse (131222243), we get a palindrome (473444374).

The spelling of 342222131 in words is "three hundred forty-two million, two hundred twenty-two thousand, one hundred thirty-one".