22120031322 has 24 divisors (see below), whose sum is σ = 47942212500. Its totient is φ = 7370962560.

The previous prime is 22120031299. The next prime is 22120031341. The reversal of 22120031322 is 22313002122.

It can be written as a sum of positive squares in 2 ways, for example, as 12011940801 + 10108090521 = 109599^2 + 100539^2 .

It is a super-2 number, since 2×22120031322² (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 = 22120031295 and 22120031304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140697 + ... + 253052.

Almost surely, 2^22120031322 is an apocalyptic number.

22120031322 is an abundant number, since it is smaller than the sum of its proper divisors (25822181178).

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

22120031322 is a wasteful number, since it uses less digits than its factorization.

22120031322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396878 (or 396875 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22120031322 its reverse (22313002122), we get a palindrome (44433033444).

The spelling of 22120031322 in words is "twenty-two billion, one hundred twenty million, thirty-one thousand, three hundred twenty-two".