22301320231 has 4 divisors (see below), whose sum is σ = 22722099912. Its totient is φ = 21880540552.

The previous prime is 22301320213. The next prime is 22301320277. The reversal of 22301320231 is 13202310322.

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 22301320231 - 2¹⁷ = 22301189159 is a prime.

It is a super-2 number, since 2×22301320231² (a number of 21 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 = 22301320199 and 22301320208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22301350231) 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, 210389761 + ... + 210389866.

It is an arithmetic number, because the mean of its divisors is an integer number (5680524978).

Almost surely, 2^22301320231 is an apocalyptic number.

22301320231 is a deficient number, since it is larger than the sum of its proper divisors (420779681).

22301320231 is an equidigital number, since it uses as much as digits as its factorization.

22301320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420779680.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22301320231 its reverse (13202310322), we get a palindrome (35503630553).

Subtracting from 22301320231 its reverse (13202310322), we obtain a palindrome (9099009909).

The spelling of 22301320231 in words is "twenty-two billion, three hundred one million, three hundred twenty thousand, two hundred thirty-one".