320000222 has 8 divisors (see below), whose sum is σ = 481564776. Its totient is φ = 159478632.

The previous prime is 320000221. The next prime is 320000227. The reversal of 320000222 is 222000023.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320000221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259973 + ... + 261200.

It is an arithmetic number, because the mean of its divisors is an integer number (60195597).

Almost surely, 2^320000222 is an apocalyptic number.

320000222 is a deficient number, since it is larger than the sum of its proper divisors (161564554).

320000222 is a wasteful number, since it uses less digits than its factorization.

320000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521482.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 320000222 is about 17888.5500250859. The cubic root of 320000222 is about 683.9905368434.

Adding to 320000222 its reverse (222000023), we get a palindrome (542000245).

The spelling of 320000222 in words is "three hundred twenty million, two hundred twenty-two", and thus it is an aban number.