20222113231 has 8 divisors (see below), whose sum is σ = 21439577600. Its totient is φ = 19019963160.

The previous prime is 20222113211. The next prime is 20222113259. The reversal of 20222113231 is 13231122202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20222113231 is a prime.

It is a super-2 number, since 2×20222113231² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20222113199 and 20222113208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222113201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3825855 + ... + 3831136.

It is an arithmetic number, because the mean of its divisors is an integer number (2679947200).

Almost surely, 2^20222113231 is an apocalyptic number.

20222113231 is a deficient number, since it is larger than the sum of its proper divisors (1217464369).

20222113231 is a wasteful number, since it uses less digits than its factorization.

20222113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7657149.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20222113231 its reverse (13231122202), we get a palindrome (33453235433).

The spelling of 20222113231 in words is "twenty billion, two hundred twenty-two million, one hundred thirteen thousand, two hundred thirty-one".