440212223 has 8 divisors (see below), whose sum is σ = 489293136. Its totient is φ = 392641600.

The previous prime is 440212219. The next prime is 440212243. The reversal of 440212223 is 322212044.

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

It is a cyclic number.

It is not a de Polignac number, because 440212223 - 2² = 440212219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440212195 and 440212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440212243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376958 + ... + 378123.

It is an arithmetic number, because the mean of its divisors is an integer number (61161642).

Almost surely, 2^440212223 is an apocalyptic number.

440212223 is a deficient number, since it is larger than the sum of its proper divisors (49080913).

440212223 is a wasteful number, since it uses less digits than its factorization.

440212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755145.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 440212223 is about 20981.2350208466. The cubic root of 440212223 is about 760.7127564337.

Adding to 440212223 its reverse (322212044), we get a palindrome (762424267).

The spelling of 440212223 in words is "four hundred forty million, two hundred twelve thousand, two hundred twenty-three".