342639122 has 16 divisors (see below), whose sum is σ = 618296640. Its totient is φ = 139116528.

The previous prime is 342639109. The next prime is 342639127. The reversal of 342639122 is 221936243.

It is a super-3 number, since 3×342639122³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (342639127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643793 + ... + 644324.

It is an arithmetic number, because the mean of its divisors is an integer number (38643540).

Almost surely, 2^342639122 is an apocalyptic number.

342639122 is a deficient number, since it is larger than the sum of its proper divisors (275657518).

342639122 is a wasteful number, since it uses less digits than its factorization.

342639122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288145.

The product of its digits is 15552, while the sum is 32.

The square root of 342639122 is about 18510.5138232303. The cubic root of 342639122 is about 699.7544186145.

The spelling of 342639122 in words is "three hundred forty-two million, six hundred thirty-nine thousand, one hundred twenty-two".