342216628 has 24 divisors (see below), whose sum is σ = 646668288. Its totient is φ = 157524576.

The previous prime is 342216607. The next prime is 342216631. The reversal of 342216628 is 826612243.

It is a super-2 number, since 2×342216628² = 234224440959380768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342216593 and 342216602.

It is a congruent number.

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, 11325 + ... + 28507.

It is an arithmetic number, because the mean of its divisors is an integer number (26944512).

Almost surely, 2^342216628 is an apocalyptic number.

It is an amenable number.

342216628 is a deficient number, since it is larger than the sum of its proper divisors (304451660).

342216628 is a wasteful number, since it uses less digits than its factorization.

342216628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17583 (or 17581 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 342216628 is about 18499.0980320663. The cubic root of 342216628 is about 699.4666876635.

The spelling of 342216628 in words is "three hundred forty-two million, two hundred sixteen thousand, six hundred twenty-eight".