22535040223 has 2 divisors, whose sum is σ = 22535040224. Its totient is φ = 22535040222.

The previous prime is 22535040221. The next prime is 22535040277. The reversal of 22535040223 is 32204053522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22535040223 - 2¹ = 22535040221 is a prime.

Together with 22535040221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22535040191 and 22535040200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22535040221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11267520111 + 11267520112.

It is an arithmetic number, because the mean of its divisors is an integer number (11267520112).

Almost surely, 2^22535040223 is an apocalyptic number.

22535040223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22535040223 is an equidigital number, since it uses as much as digits as its factorization.

22535040223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 22535040223 its reverse (32204053522), we get a palindrome (54739093745).

The spelling of 22535040223 in words is "twenty-two billion, five hundred thirty-five million, forty thousand, two hundred twenty-three".