22206018606 has 16 divisors (see below), whose sum is σ = 44423527248. Its totient is φ = 7400091200.

The previous prime is 22206018577. The next prime is 22206018617. The reversal of 22206018606 is 60681060222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453525 + ... + 500096.

It is an arithmetic number, because the mean of its divisors is an integer number (2776470453).

Almost surely, 2^22206018606 is an apocalyptic number.

22206018606 is an abundant number, since it is smaller than the sum of its proper divisors (22217508642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22206018606 is a wasteful number, since it uses less digits than its factorization.

22206018606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957507.

The product of its (nonzero) digits is 13824, while the sum is 33.

Adding to 22206018606 its reverse (60681060222), we get a palindrome (82887078828).

The spelling of 22206018606 in words is "twenty-two billion, two hundred six million, eighteen thousand, six hundred six".