342142122 has 32 divisors (see below), whose sum is σ = 784433664. Its totient is φ = 97455600.

The previous prime is 342142103. The next prime is 342142147. The reversal of 342142122 is 221241243.

It is a super-2 number, since 2×342142122² = 234122463293325768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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, 1597 + ... + 26207.

It is an arithmetic number, because the mean of its divisors is an integer number (24513552).

Almost surely, 2^342142122 is an apocalyptic number.

342142122 is an abundant number, since it is smaller than the sum of its proper divisors (442291542).

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

342142122 is a wasteful number, since it uses less digits than its factorization.

342142122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24954.

The product of its digits is 768, while the sum is 21.

The square root of 342142122 is about 18497.0841485895. The cubic root of 342142122 is about 699.4159223069.

Adding to 342142122 its reverse (221241243), we get a palindrome (563383365).

The spelling of 342142122 in words is "three hundred forty-two million, one hundred forty-two thousand, one hundred twenty-two".