22221211022 has 32 divisors (see below), whose sum is σ = 34287490944. Its totient is φ = 10796940000.

The previous prime is 22221210997. The next prime is 22221211063. The reversal of 22221211022 is 22011212222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11688272 + ... + 11690172.

It is an arithmetic number, because the mean of its divisors is an integer number (1071484092).

Almost surely, 2^22221211022 is an apocalyptic number.

22221211022 is a deficient number, since it is larger than the sum of its proper divisors (12066279922).

22221211022 is a wasteful number, since it uses less digits than its factorization.

22221211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104.

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

Adding to 22221211022 its reverse (22011212222), we get a palindrome (44232423244).

The spelling of 22221211022 in words is "twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, twenty-two".