342222431 has 4 divisors (see below), whose sum is σ = 348679512. Its totient is φ = 335765352.

The previous prime is 342222407. The next prime is 342222437. The reversal of 342222431 is 134222243.

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 342222431 - 2¹⁴ = 342206047 is a prime.

It is a super-2 number, since 2×342222431² = 234232384559099522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342222397 and 342222406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342222437) 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 in 3 ways as a sum of consecutive naturals, for example, 3228461 + ... + 3228566.

It is an arithmetic number, because the mean of its divisors is an integer number (87169878).

Almost surely, 2^342222431 is an apocalyptic number.

342222431 is a deficient number, since it is larger than the sum of its proper divisors (6457081).

342222431 is an equidigital number, since it uses as much as digits as its factorization.

342222431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457080.

The product of its digits is 2304, while the sum is 23.

The square root of 342222431 is about 18499.2548768863. The cubic root of 342222431 is about 699.4706412823.

Adding to 342222431 its reverse (134222243), we get a palindrome (476444674).

The spelling of 342222431 in words is "three hundred forty-two million, two hundred twenty-two thousand, four hundred thirty-one".