342240122 has 16 divisors (see below), whose sum is σ = 617576640. Its totient is φ = 138954528.

The previous prime is 342240097. The next prime is 342240149. The reversal of 342240122 is 221042243.

It is a super-2 number, since 2×342240122² = 234256602213149768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342240094 and 342240103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643043 + ... + 643574.

It is an arithmetic number, because the mean of its divisors is an integer number (38598540).

Almost surely, 2^342240122 is an apocalyptic number.

342240122 is a deficient number, since it is larger than the sum of its proper divisors (275336518).

342240122 is a wasteful number, since it uses less digits than its factorization.

342240122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286645.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 342240122 is about 18499.7330251007. The cubic root of 342240122 is about 699.4826939911.

Adding to 342240122 its reverse (221042243), we get a palindrome (563282365).

The spelling of 342240122 in words is "three hundred forty-two million, two hundred forty thousand, one hundred twenty-two".