220222012 has 24 divisors (see below), whose sum is σ = 408569616. Its totient is φ = 103504128.

The previous prime is 220222003. The next prime is 220222019. The reversal of 220222012 is 210222022.

It is a junction number, because it is equal to n+sod(n) for n = 220221983 and 220222001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220222019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72843 + ... + 75805.

It is an arithmetic number, because the mean of its divisors is an integer number (17023734).

Almost surely, 2^220222012 is an apocalyptic number.

It is an amenable number.

220222012 is a deficient number, since it is larger than the sum of its proper divisors (188347604).

220222012 is a wasteful number, since it uses less digits than its factorization.

220222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077 (or 4075 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 220222012 is about 14839.8791100197. The cubic root of 220222012 is about 603.8840727470.

Adding to 220222012 its reverse (210222022), we get a palindrome (430444034).

The spelling of 220222012 in words is "two hundred twenty million, two hundred twenty-two thousand, twelve".