22252463663 has 4 divisors (see below), whose sum is σ = 22275240960. Its totient is φ = 22229686368.

The previous prime is 22252463647. The next prime is 22252463747. The reversal of 22252463663 is 36636425222.

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 22252463663 - 2⁴ = 22252463647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22252463663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252463603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11387183 + ... + 11389136.

It is an arithmetic number, because the mean of its divisors is an integer number (5568810240).

Almost surely, 2^22252463663 is an apocalyptic number.

22252463663 is a deficient number, since it is larger than the sum of its proper divisors (22777297).

22252463663 is an equidigital number, since it uses as much as digits as its factorization.

22252463663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22777296.

The product of its digits is 622080, while the sum is 41.

Adding to 22252463663 its reverse (36636425222), we get a palindrome (58888888885).

The spelling of 22252463663 in words is "twenty-two billion, two hundred fifty-two million, four hundred sixty-three thousand, six hundred sixty-three".