342431222 has 24 divisors (see below), whose sum is σ = 613670736. Its totient is φ = 140372496.

The previous prime is 342431213. The next prime is 342431227. The reversal of 342431222 is 222134243.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342431227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15713 + ... + 30524.

It is an arithmetic number, because the mean of its divisors is an integer number (25569614).

Almost surely, 2^342431222 is an apocalyptic number.

342431222 is a deficient number, since it is larger than the sum of its proper divisors (271239514).

342431222 is a wasteful number, since it uses less digits than its factorization.

342431222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46292 (or 46269 counting only the distinct ones).

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

The square root of 342431222 is about 18504.8972437028. The cubic root of 342431222 is about 699.6128621218.

Adding to 342431222 its reverse (222134243), we get a palindrome (564565465).

The spelling of 342431222 in words is "three hundred forty-two million, four hundred thirty-one thousand, two hundred twenty-two".