220022110221 has 16 divisors (see below), whose sum is σ = 294522522624. Its totient is φ = 146101986864.

The previous prime is 220022110201. The next prime is 220022110249. The reversal of 220022110221 is 122011220022.

It is not a de Polignac number, because 220022110221 - 2¹⁸ = 220021848077 is a prime.

It is a super-2 number, since 2×220022110221² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220022110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022110201) 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, 2024550 + ... + 2130456.

It is an arithmetic number, because the mean of its divisors is an integer number (18407657664).

Almost surely, 2^220022110221 is an apocalyptic number.

It is an amenable number.

220022110221 is a deficient number, since it is larger than the sum of its proper divisors (74500412403).

220022110221 is a wasteful number, since it uses less digits than its factorization.

220022110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108640.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220022110221 its reverse (122011220022), we get a palindrome (342033330243).

The spelling of 220022110221 in words is "two hundred twenty billion, twenty-two million, one hundred ten thousand, two hundred twenty-one".