342142218 has 40 divisors (see below), whose sum is σ = 836352000. Its totient is φ = 103678920.

The previous prime is 342142217. The next prime is 342142231. The reversal of 342142218 is 812241243.

It is a super-2 number, since 2×342142218² = 234122594675919048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 342142191 and 342142200.

It is not an unprimeable number, because it can be changed into a prime (342142217) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 94218 + ... + 97781.

It is an arithmetic number, because the mean of its divisors is an integer number (20908800).

Almost surely, 2^342142218 is an apocalyptic number.

342142218 is an abundant number, since it is smaller than the sum of its proper divisors (494209782).

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

342142218 is a wasteful number, since it uses less digits than its factorization.

342142218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192024 (or 192015 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 342142218 is about 18497.0867435929. The cubic root of 342142218 is about 699.4159877221.

The spelling of 342142218 in words is "three hundred forty-two million, one hundred forty-two thousand, two hundred eighteen".