439135222 has 4 divisors (see below), whose sum is σ = 658702836. Its totient is φ = 219567610.

The previous prime is 439135111. The next prime is 439135283. The reversal of 439135222 is 222531934.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109783804 + ... + 109783807.

It is an arithmetic number, because the mean of its divisors is an integer number (164675709).

Almost surely, 2^439135222 is an apocalyptic number.

439135222 is a deficient number, since it is larger than the sum of its proper divisors (219567614).

439135222 is a wasteful number, since it uses less digits than its factorization.

439135222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219567613.

The product of its digits is 12960, while the sum is 31.

The square root of 439135222 is about 20955.5534882761. The cubic root of 439135222 is about 760.0918760118.

The spelling of 439135222 in words is "four hundred thirty-nine million, one hundred thirty-five thousand, two hundred twenty-two".