342438222 has 32 divisors (see below), whose sum is σ = 783281664. Its totient is φ = 97768800.

The previous prime is 342438221. The next prime is 342438233. The reversal of 342438222 is 222834243.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 342438222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342438221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91447 + ... + 95117.

It is an arithmetic number, because the mean of its divisors is an integer number (24477552).

Almost surely, 2^342438222 is an apocalyptic number.

342438222 is an abundant number, since it is smaller than the sum of its proper divisors (440843442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342438222 is a wasteful number, since it uses less digits than its factorization.

342438222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904.

The product of its digits is 18432, while the sum is 30.

The square root of 342438222 is about 18505.0863818573. The cubic root of 342438222 is about 699.6176292656.

The spelling of 342438222 in words is "three hundred forty-two million, four hundred thirty-eight thousand, two hundred twenty-two".