13222021122 has 32 divisors (see below), whose sum is σ = 29562548160. Its totient is φ = 4380298560.

The previous prime is 13222021117. The next prime is 13222021123. The reversal of 13222021122 is 22112022231.

It is a super-2 number, since 2×13222021122² (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 = 13222021095 and 13222021104.

It is not an unprimeable number, because it can be changed into a prime (13222021123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742279 + ... + 759882.

It is an arithmetic number, because the mean of its divisors is an integer number (923829630).

Almost surely, 2^13222021122 is an apocalyptic number.

13222021122 is an abundant number, since it is smaller than the sum of its proper divisors (16340527038).

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

13222021122 is a wasteful number, since it uses less digits than its factorization.

13222021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502335 (or 1502329 counting only the distinct ones).

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

Adding to 13222021122 its reverse (22112022231), we get a palindrome (35334043353).

The spelling of 13222021122 in words is "thirteen billion, two hundred twenty-two million, twenty-one thousand, one hundred twenty-two".