22320233431 has 4 divisors (see below), whose sum is σ = 22320623232. Its totient is φ = 22319843632.

The previous prime is 22320233407. The next prime is 22320233473. The reversal of 22320233431 is 13433202322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22320233431 - 2¹¹ = 22320231383 is a prime.

It is a super-3 number, since 3×22320233431³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22320233396 and 22320233405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22320233231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90295 + ... + 229768.

It is an arithmetic number, because the mean of its divisors is an integer number (5580155808).

Almost surely, 2^22320233431 is an apocalyptic number.

22320233431 is a deficient number, since it is larger than the sum of its proper divisors (389801).

22320233431 is an equidigital number, since it uses as much as digits as its factorization.

22320233431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389800.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 22320233431 its reverse (13433202322), we get a palindrome (35753435753).

The spelling of 22320233431 in words is "twenty-two billion, three hundred twenty million, two hundred thirty-three thousand, four hundred thirty-one".