22066624667 has 4 divisors (see below), whose sum is σ = 22314564360. Its totient is φ = 21818684976.

The previous prime is 22066624663. The next prime is 22066624673. The reversal of 22066624667 is 76642666022.

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 22066624667 - 2² = 22066624663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22066624663) 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, 123969713 + ... + 123969890.

It is an arithmetic number, because the mean of its divisors is an integer number (5578641090).

Almost surely, 2^22066624667 is an apocalyptic number.

22066624667 is a deficient number, since it is larger than the sum of its proper divisors (247939693).

22066624667 is an equidigital number, since it uses as much as digits as its factorization.

22066624667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247939692.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 22066624667 in words is "twenty-two billion, sixty-six million, six hundred twenty-four thousand, six hundred sixty-seven".