394229219 has 8 divisors (see below), whose sum is σ = 408101760. Its totient is φ = 380375296.

The previous prime is 394229207. The next prime is 394229281. The reversal of 394229219 is 912922493.

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

It is a cyclic number.

It is not a de Polignac number, because 394229219 - 2¹² = 394225123 is a prime.

It is a super-2 number, since 2×394229219² = 310833354226699922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394222219) 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, 49139 + ... + 56595.

It is an arithmetic number, because the mean of its divisors is an integer number (51012720).

Almost surely, 2^394229219 is an apocalyptic number.

394229219 is a deficient number, since it is larger than the sum of its proper divisors (13872541).

394229219 is a wasteful number, since it uses less digits than its factorization.

394229219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9309.

The product of its digits is 69984, while the sum is 41.

The square root of 394229219 is about 19855.2063449363. The cubic root of 394229219 is about 733.2458323744.

The spelling of 394229219 in words is "three hundred ninety-four million, two hundred twenty-nine thousand, two hundred nineteen".