389222716 has 6 divisors (see below), whose sum is σ = 681139760. Its totient is φ = 194611356.

The previous prime is 389222623. The next prime is 389222719. The reversal of 389222716 is 617222983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389222719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48652836 + ... + 48652843.

Almost surely, 2^389222716 is an apocalyptic number.

It is an amenable number.

389222716 is a deficient number, since it is larger than the sum of its proper divisors (291917044).

389222716 is a wasteful number, since it uses less digits than its factorization.

389222716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97305683 (or 97305681 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 389222716 is about 19728.7281901292. The cubic root of 389222716 is about 730.1286543749.

The spelling of 389222716 in words is "three hundred eighty-nine million, two hundred twenty-two thousand, seven hundred sixteen".