23212211022 has 192 divisors, whose sum is σ = 67685829120. Its totient is φ = 5552236800.

The previous prime is 23212211021. The next prime is 23212211063. The reversal of 23212211022 is 22011221232.

23212211022 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23212210986 and 23212211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212211021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9169897 + ... + 9172427.

It is an arithmetic number, because the mean of its divisors is an integer number (352530360).

Almost surely, 2^23212211022 is an apocalyptic number.

23212211022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23212211022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33842914560).

23212211022 is an abundant number, since it is smaller than the sum of its proper divisors (44473618098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23212211022 is a wasteful number, since it uses less digits than its factorization.

23212211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079 (or 3076 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 23212211022 its reverse (22011221232), we get a palindrome (45223432254).

The spelling of 23212211022 in words is "twenty-three billion, two hundred twelve million, two hundred eleven thousand, twenty-two".