440331223 has 8 divisors (see below), whose sum is σ = 465107456. Its totient is φ = 416215800.

The previous prime is 440331197. The next prime is 440331233. The reversal of 440331223 is 322133044.

It is a happy number.

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 440331223 - 2¹³ = 440323031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440331194 and 440331203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440331233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163833 + ... + 166498.

It is an arithmetic number, because the mean of its divisors is an integer number (58138432).

Almost surely, 2^440331223 is an apocalyptic number.

440331223 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

440331223 is a deficient number, since it is larger than the sum of its proper divisors (24776233).

440331223 is a wasteful number, since it uses less digits than its factorization.

440331223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330405.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 440331223 is about 20984.0706966022. The cubic root of 440331223 is about 760.7812966040.

Adding to 440331223 its reverse (322133044), we get a palindrome (762464267).

The spelling of 440331223 in words is "four hundred forty million, three hundred thirty-one thousand, two hundred twenty-three".