22021313220331 has 8 divisors (see below), whose sum is σ = 22118019294384. Its totient is φ = 21924625898880.

The previous prime is 22021313220293. The next prime is 22021313220397. The reversal of 22021313220331 is 13302231312022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22021313220331 - 2¹¹ = 22021313218283 is a prime.

It is a super-2 number, since 2×22021313220331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22021313220296 and 22021313220305.

It is not an unprimeable number, because it can be changed into a prime (22021313220031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331786 + ... + 7034191.

It is an arithmetic number, because the mean of its divisors is an integer number (2764752411798).

Almost surely, 2^{22021313220331} is an apocalyptic number.

22021313220331 is a deficient number, since it is larger than the sum of its proper divisors (96706074053).

22021313220331 is a wasteful number, since it uses less digits than its factorization.

22021313220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9376301.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 22021313220331 its reverse (13302231312022), we get a palindrome (35323544532353).

The spelling of 22021313220331 in words is "twenty-two trillion, twenty-one billion, three hundred thirteen million, two hundred twenty thousand, three hundred thirty-one".