389309222 has 8 divisors (see below), whose sum is σ = 602801472. Its totient is φ = 188375400.

The previous prime is 389309213. The next prime is 389309243. The reversal of 389309222 is 222903983.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3139529 + ... + 3139652.

It is an arithmetic number, because the mean of its divisors is an integer number (75350184).

Almost surely, 2^389309222 is an apocalyptic number.

389309222 is a deficient number, since it is larger than the sum of its proper divisors (213492250).

389309222 is a wasteful number, since it uses less digits than its factorization.

389309222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279214.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 389309222 is about 19730.9204549610. The cubic root of 389309222 is about 730.1827415150.

The spelling of 389309222 in words is "three hundred eighty-nine million, three hundred nine thousand, two hundred twenty-two".