439878222 has 32 divisors (see below), whose sum is σ = 1117152000. Its totient is φ = 125679384.

The previous prime is 439878221. The next prime is 439878227. The reversal of 439878222 is 222878934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439878221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581472 + ... + 582227.

It is an arithmetic number, because the mean of its divisors is an integer number (34911000).

Almost surely, 2^439878222 is an apocalyptic number.

439878222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

439878222 is an abundant number, since it is smaller than the sum of its proper divisors (677273778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

439878222 is a wasteful number, since it uses less digits than its factorization.

439878222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163717 (or 1163711 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 439878222 is about 20973.2739933469. The cubic root of 439878222 is about 760.5203165952.

The spelling of 439878222 in words is "four hundred thirty-nine million, eight hundred seventy-eight thousand, two hundred twenty-two".