220211222 has 16 divisors (see below), whose sum is σ = 411823872. Its totient is φ = 85796520.

The previous prime is 220211203. The next prime is 220211227. The reversal of 220211222 is 222112022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 220211197 and 220211206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220211227) 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, 714818 + ... + 715125.

It is an arithmetic number, because the mean of its divisors is an integer number (25738992).

Almost surely, 2^220211222 is an apocalyptic number.

220211222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220211222 is a deficient number, since it is larger than the sum of its proper divisors (191612650).

220211222 is a wasteful number, since it uses less digits than its factorization.

220211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429963.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 220211222 is about 14839.5155581306. The cubic root of 220211222 is about 603.8742099492.

Adding to 220211222 its reverse (222112022), we get a palindrome (442323244).

The spelling of 220211222 in words is "two hundred twenty million, two hundred eleven thousand, two hundred twenty-two".