440128222 has 8 divisors (see below), whose sum is σ = 660466296. Its totient is φ = 219972792.

The previous prime is 440128211. The next prime is 440128261. The reversal of 440128222 is 222821044.

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, 39468 + ... + 49375.

It is an arithmetic number, because the mean of its divisors is an integer number (82558287).

Almost surely, 2^440128222 is an apocalyptic number.

440128222 is a deficient number, since it is larger than the sum of its proper divisors (220338074).

440128222 is a wasteful number, since it uses less digits than its factorization.

440128222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91322.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 440128222 is about 20979.2331127713. The cubic root of 440128222 is about 760.6643671237.

Adding to 440128222 its reverse (222821044), we get a palindrome (662949266).

It can be divided in two parts, 4401 and 28222, that added together give a palindrome (32623).

The spelling of 440128222 in words is "four hundred forty million, one hundred twenty-eight thousand, two hundred twenty-two".