220222144 has 14 divisors (see below), whose sum is σ = 437003444. Its totient is φ = 110111040.

The previous prime is 220222087. The next prime is 220222147. The reversal of 220222144 is 441222022.

220222144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220222147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720422 + ... + 1720549.

Almost surely, 2^220222144 is an apocalyptic number.

It is an amenable number.

220222144 is a deficient number, since it is larger than the sum of its proper divisors (216781300).

220222144 is an equidigital number, since it uses as much as digits as its factorization.

220222144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440983 (or 3440973 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 220222144 is about 14839.8835574946. The cubic root of 220222144 is about 603.8841934021.

Adding to 220222144 its reverse (441222022), we get a palindrome (661444166).

The spelling of 220222144 in words is "two hundred twenty million, two hundred twenty-two thousand, one hundred forty-four".