220320222 has 8 divisors (see below), whose sum is σ = 440640456. Its totient is φ = 73440072.

The previous prime is 220320203. The next prime is 220320223. The reversal of 220320222 is 222023022.

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

220320222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220320223) 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, 18360013 + ... + 18360024.

It is an arithmetic number, because the mean of its divisors is an integer number (55080057).

Almost surely, 2^220320222 is an apocalyptic number.

220320222 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.

220320222 is a wasteful number, since it uses less digits than its factorization.

220320222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36720042.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 220320222 is about 14843.1877304035. The cubic root of 220320222 is about 603.9738285957.

Adding to 220320222 its reverse (222023022), we get a palindrome (442343244).

The spelling of 220320222 in words is "two hundred twenty million, three hundred twenty thousand, two hundred twenty-two".