220212224 has 22 divisors (see below), whose sum is σ = 440211444. Its totient is φ = 110105600.

The previous prime is 220212221. The next prime is 220212229. The reversal of 220212224 is 422212022.

It is not an unprimeable number, because it can be changed into a prime (220212221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106502 + ... + 108549.

Almost surely, 2^220212224 is an apocalyptic number.

It is an amenable number.

220212224 is a deficient number, since it is larger than the sum of its proper divisors (219999220).

220212224 is an equidigital number, since it uses as much as digits as its factorization.

220212224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215071 (or 215053 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 220212224 is about 14839.5493193021. The cubic root of 220212224 is about 603.8751258593.

Adding to 220212224 its reverse (422212022), we get a palindrome (642424246).

The spelling of 220212224 in words is "two hundred twenty million, two hundred twelve thousand, two hundred twenty-four".