22245186487 has 8 divisors (see below), whose sum is σ = 22315312800. Its totient is φ = 22175161344.

The previous prime is 22245186463. The next prime is 22245186521. The reversal of 22245186487 is 78468154222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22245186487 - 2¹⁵ = 22245153719 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 22245186487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22245186427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427839 + ... + 477007.

It is an arithmetic number, because the mean of its divisors is an integer number (2789414100).

Almost surely, 2^22245186487 is an apocalyptic number.

22245186487 is a deficient number, since it is larger than the sum of its proper divisors (70126313).

22245186487 is an equidigital number, since it uses as much as digits as its factorization.

22245186487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50585.

The product of its digits is 1720320, while the sum is 49.

The spelling of 22245186487 in words is "twenty-two billion, two hundred forty-five million, one hundred eighty-six thousand, four hundred eighty-seven".