440223222 has 8 divisors (see below), whose sum is σ = 880446456. Its totient is φ = 146741072.

The previous prime is 440223209. The next prime is 440223227. The reversal of 440223222 is 222322044.

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

440223222 is an admirable number.

It is a super-2 number, since 2×440223222² = 387592970376122568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440223227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36685263 + ... + 36685274.

It is an arithmetic number, because the mean of its divisors is an integer number (110055807).

Almost surely, 2^440223222 is an apocalyptic number.

440223222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

440223222 is a wasteful number, since it uses less digits than its factorization.

440223222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73370542.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 440223222 is about 20981.4971343801. The cubic root of 440223222 is about 760.7190920218.

Adding to 440223222 its reverse (222322044), we get a palindrome (662545266).

The spelling of 440223222 in words is "four hundred forty million, two hundred twenty-three thousand, two hundred twenty-two".