399850222 has 8 divisors (see below), whose sum is σ = 599882400. Its totient is φ = 199889424.

The previous prime is 399850219. The next prime is 399850237. The reversal of 399850222 is 222058993.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447 + ... + 28282.

It is an arithmetic number, because the mean of its divisors is an integer number (74985300).

Almost surely, 2^399850222 is an apocalyptic number.

399850222 is a deficient number, since it is larger than the sum of its proper divisors (200032178).

399850222 is a wasteful number, since it uses less digits than its factorization.

399850222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35690.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 399850222 is about 19996.2551994117. The cubic root of 399850222 is about 736.7143237688.

The spelling of 399850222 in words is "three hundred ninety-nine million, eight hundred fifty thousand, two hundred twenty-two".