220022244221 has 16 divisors (see below), whose sum is σ = 239986790400. Its totient is φ = 200492817408.

The previous prime is 220022244209. The next prime is 220022244227. The reversal of 220022244221 is 122442220022.

It is not a de Polignac number, because 220022244221 - 2²² = 220018049917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022244227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7676900 + ... + 7705506.

It is an arithmetic number, because the mean of its divisors is an integer number (14999174400).

Almost surely, 2^220022244221 is an apocalyptic number.

It is an amenable number.

220022244221 is a deficient number, since it is larger than the sum of its proper divisors (19964546179).

220022244221 is a wasteful number, since it uses less digits than its factorization.

220022244221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36188.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 220022244221 its reverse (122442220022), we get a palindrome (342464464243).

The spelling of 220022244221 in words is "two hundred twenty billion, twenty-two million, two hundred forty-four thousand, two hundred twenty-one".