22442320463 has 4 divisors (see below), whose sum is σ = 22442637120. Its totient is φ = 22442003808.

The previous prime is 22442320409. The next prime is 22442320487. The reversal of 22442320463 is 36402324422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22442320463 - 2⁶ = 22442320399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442320163) 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, 2306 + ... + 211872.

It is an arithmetic number, because the mean of its divisors is an integer number (5610659280).

Almost surely, 2^22442320463 is an apocalyptic number.

22442320463 is a deficient number, since it is larger than the sum of its proper divisors (316657).

22442320463 is a wasteful number, since it uses less digits than its factorization.

22442320463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316656.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 22442320463 its reverse (36402324422), we get a palindrome (58844644885).

The spelling of 22442320463 in words is "twenty-two billion, four hundred forty-two million, three hundred twenty thousand, four hundred sixty-three".