13211022222 has 24 divisors (see below), whose sum is σ = 28645634160. Its totient is φ = 4400327520.

The previous prime is 13211022197. The next prime is 13211022241. The reversal of 13211022222 is 22222011231.

It is a super-2 number, since 2×13211022222² (a number of 21 digits) contains 22 as substring.

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 = 13211022195 and 13211022204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254479 + ... + 301962.

It is an arithmetic number, because the mean of its divisors is an integer number (1193568090).

Almost surely, 2^13211022222 is an apocalyptic number.

13211022222 is an abundant number, since it is smaller than the sum of its proper divisors (15434611938).

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

13211022222 is a wasteful number, since it uses less digits than its factorization.

13211022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557768 (or 557765 counting only the distinct ones).

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

Adding to 13211022222 its reverse (22222011231), we get a palindrome (35433033453).

The spelling of 13211022222 in words is "thirteen billion, two hundred eleven million, twenty-two thousand, two hundred twenty-two".