839222227 has 4 divisors (see below), whose sum is σ = 839351880. Its totient is φ = 839092576.

The previous prime is 839222171. The next prime is 839222257. The reversal of 839222227 is 722222938.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722222938 = 2 ⋅361111469.

It is a cyclic number.

It is not a de Polignac number, because 839222227 - 2²⁷ = 705004499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (839222257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54577 + ... + 68242.

It is an arithmetic number, because the mean of its divisors is an integer number (209837970).

Almost surely, 2^839222227 is an apocalyptic number.

839222227 is a deficient number, since it is larger than the sum of its proper divisors (129653).

839222227 is a wasteful number, since it uses less digits than its factorization.

839222227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129652.

The product of its digits is 48384, while the sum is 37.

The square root of 839222227 is about 28969.3325259661. The cubic root of 839222227 is about 943.2474922479.

The spelling of 839222227 in words is "eight hundred thirty-nine million, two hundred twenty-two thousand, two hundred twenty-seven".