389225227 has 4 divisors (see below), whose sum is σ = 390380536. Its totient is φ = 388069920.

The previous prime is 389225219. The next prime is 389225257. The reversal of 389225227 is 722522983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 389225227 - 2³ = 389225219 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 389225227.

It is not an unprimeable number, because it can be changed into a prime (389225257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577149 + ... + 577822.

It is an arithmetic number, because the mean of its divisors is an integer number (97595134).

Almost surely, 2^389225227 is an apocalyptic number.

389225227 is a deficient number, since it is larger than the sum of its proper divisors (1155309).

389225227 is a wasteful number, since it uses less digits than its factorization.

389225227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155308.

The product of its digits is 120960, while the sum is 40.

The square root of 389225227 is about 19728.7918281886. The cubic root of 389225227 is about 730.1302244692.

The spelling of 389225227 in words is "three hundred eighty-nine million, two hundred twenty-five thousand, two hundred twenty-seven".