440444222 has 16 divisors (see below), whose sum is σ = 677369952. Its totient is φ = 214663680.

The previous prime is 440444203. The next prime is 440444233. The reversal of 440444222 is 222444044.

It is a super-2 number, since 2×440444222² = 387982225386370568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440444191 and 440444200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164063 + ... + 166725.

It is an arithmetic number, because the mean of its divisors is an integer number (42335622).

Almost surely, 2^440444222 is an apocalyptic number.

440444222 is a deficient number, since it is larger than the sum of its proper divisors (236925730).

440444222 is a wasteful number, since it uses less digits than its factorization.

440444222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723.

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 440444222 is about 20986.7630186268. The cubic root of 440444222 is about 760.8463689621.

Adding to 440444222 its reverse (222444044), we get a palindrome (662888266).

The spelling of 440444222 in words is "four hundred forty million, four hundred forty-four thousand, two hundred twenty-two".