342228686 has 4 divisors (see below), whose sum is σ = 513343032. Its totient is φ = 171114342.

The previous prime is 342228673. The next prime is 342228721. The reversal of 342228686 is 686822243.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85557170 + ... + 85557173.

It is an arithmetic number, because the mean of its divisors is an integer number (128335758).

Almost surely, 2^342228686 is an apocalyptic number.

342228686 is a deficient number, since it is larger than the sum of its proper divisors (171114346).

342228686 is a wasteful number, since it uses less digits than its factorization.

342228686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171114345.

The product of its digits is 221184, while the sum is 41.

The square root of 342228686 is about 18499.4239369771. The cubic root of 342228686 is about 699.4749028013.

The spelling of 342228686 in words is "three hundred forty-two million, two hundred twenty-eight thousand, six hundred eighty-six".