440020022 has 8 divisors (see below), whose sum is σ = 710801616. Its totient is φ = 203086152.

The previous prime is 440020019. The next prime is 440020039. The reversal of 440020022 is 220020044.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 440019979 and 440020006.

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, 8461898 + ... + 8461949.

It is an arithmetic number, because the mean of its divisors is an integer number (88850202).

Almost surely, 2^440020022 is an apocalyptic number.

440020022 is a deficient number, since it is larger than the sum of its proper divisors (270781594).

440020022 is a wasteful number, since it uses less digits than its factorization.

440020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16923862.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 440020022 is about 20976.6542136729. The cubic root of 440020022 is about 760.6020287522.

Adding to 440020022 its reverse (220020044), we get a palindrome (660040066).

The spelling of 440020022 in words is "four hundred forty million, twenty thousand, twenty-two".