439998022 has 8 divisors (see below), whose sum is σ = 667413000. Its totient is φ = 217527024.

The previous prime is 439998007. The next prime is 439998047. The reversal of 439998022 is 220899934.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235772 + ... + 1236127.

It is an arithmetic number, because the mean of its divisors is an integer number (83426625).

Almost surely, 2^439998022 is an apocalyptic number.

439998022 is a deficient number, since it is larger than the sum of its proper divisors (227414978).

439998022 is a wasteful number, since it uses less digits than its factorization.

439998022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471990.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 439998022 is about 20976.1298146250. The cubic root of 439998022 is about 760.5893524172.

The spelling of 439998022 in words is "four hundred thirty-nine million, nine hundred ninety-eight thousand, twenty-two".