389938222 has 8 divisors (see below), whose sum is σ = 585358776. Its totient is φ = 194818632.

The previous prime is 389938201. The next prime is 389938247. The reversal of 389938222 is 222839983.

It is a happy number.

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, 71973 + ... + 77200.

It is an arithmetic number, because the mean of its divisors is an integer number (73169847).

Almost surely, 2^389938222 is an apocalyptic number.

389938222 is a deficient number, since it is larger than the sum of its proper divisors (195420554).

389938222 is a wasteful number, since it uses less digits than its factorization.

389938222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150482.

The product of its digits is 373248, while the sum is 46.

The square root of 389938222 is about 19746.8534708697. The cubic root of 389938222 is about 730.5757776821.

The spelling of 389938222 in words is "three hundred eighty-nine million, nine hundred thirty-eight thousand, two hundred twenty-two".