440320222 has 8 divisors (see below), whose sum is σ = 661159296. Its totient is φ = 219933792.

The previous prime is 440320217. The next prime is 440320259. The reversal of 440320222 is 222023044.

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

It is a self number, because there is not a number n which added to its sum of digits gives 440320222.

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, 110718 + ... + 114625.

It is an arithmetic number, because the mean of its divisors is an integer number (82644912).

Almost surely, 2^440320222 is an apocalyptic number.

440320222 is a deficient number, since it is larger than the sum of its proper divisors (220839074).

440320222 is a wasteful number, since it uses less digits than its factorization.

440320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226322.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 440320222 is about 20983.8085675599. The cubic root of 440320222 is about 760.7749609001.

Adding to 440320222 its reverse (222023044), we get a palindrome (662343266).

The spelling of 440320222 in words is "four hundred forty million, three hundred twenty thousand, two hundred twenty-two".