22244466887 has 4 divisors (see below), whose sum is σ = 22315992816. Its totient is φ = 22172940960.

The previous prime is 22244466877. The next prime is 22244466899. The reversal of 22244466887 is 78866444222.

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 22244466887 - 2¹² = 22244462791 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 (22244466817) 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, 35762498 + ... + 35763119.

It is an arithmetic number, because the mean of its divisors is an integer number (5578998204).

Almost surely, 2^22244466887 is an apocalyptic number.

22244466887 is a deficient number, since it is larger than the sum of its proper divisors (71525929).

22244466887 is an equidigital number, since it uses as much as digits as its factorization.

22244466887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71525928.

The product of its digits is 8257536, while the sum is 53.

The spelling of 22244466887 in words is "twenty-two billion, two hundred forty-four million, four hundred sixty-six thousand, eight hundred eighty-seven".