22220211211 has 32 divisors (see below), whose sum is σ = 25151938560. Its totient is φ = 19454803200.

The previous prime is 22220211203. The next prime is 22220211227. The reversal of 22220211211 is 11211202222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22220211211 - 2³ = 22220211203 is a prime.

It is a super-2 number, since 2×22220211211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220211281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13001025 + ... + 13002733.

It is an arithmetic number, because the mean of its divisors is an integer number (785998080).

Almost surely, 2^22220211211 is an apocalyptic number.

22220211211 is a deficient number, since it is larger than the sum of its proper divisors (2931727349).

22220211211 is a wasteful number, since it uses less digits than its factorization.

22220211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22220211211 its reverse (11211202222), we get a palindrome (33431413433).

The spelling of 22220211211 in words is "twenty-two billion, two hundred twenty million, two hundred eleven thousand, two hundred eleven".