394216122 has 8 divisors (see below), whose sum is σ = 788432256. Its totient is φ = 131405372.

The previous prime is 394216063. The next prime is 394216127. The reversal of 394216122 is 221612493.

It is a sphenic number, since it is the product of 3 distinct primes.

394216122 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 394216122.

It is not an unprimeable number, because it can be changed into a prime (394216127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32851338 + ... + 32851349.

It is an arithmetic number, because the mean of its divisors is an integer number (98554032).

Almost surely, 2^394216122 is an apocalyptic number.

394216122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

394216122 is a wasteful number, since it uses less digits than its factorization.

394216122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65702692.

The product of its digits is 5184, while the sum is 30.

The square root of 394216122 is about 19854.8765294574. The cubic root of 394216122 is about 733.2377123716.

The spelling of 394216122 in words is "three hundred ninety-four million, two hundred sixteen thousand, one hundred twenty-two".