222210022211 has 24 divisors (see below), whose sum is σ = 238031110080. Its totient is φ = 207099518976.

The previous prime is 222210022193. The next prime is 222210022253. The reversal of 222210022211 is 112220012222.

It is a happy number.

It is not a de Polignac number, because 222210022211 - 2²⁶ = 222142913347 is a prime.

It is a super-2 number, since 2×222210022211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222210022211.

It is not an unprimeable number, because it can be changed into a prime (222210025211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7248131 + ... + 7278723.

It is an arithmetic number, because the mean of its divisors is an integer number (9917962920).

Almost surely, 2^222210022211 is an apocalyptic number.

222210022211 is a deficient number, since it is larger than the sum of its proper divisors (15821087869).

222210022211 is an equidigital number, since it uses as much as digits as its factorization.

222210022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30815 (or 30742 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222210022211 its reverse (112220012222), we get a palindrome (334430034433).

The spelling of 222210022211 in words is "two hundred twenty-two billion, two hundred ten million, twenty-two thousand, two hundred eleven".