22206989836 has 6 divisors (see below), whose sum is σ = 38862232220. Its totient is φ = 11103494916.

The previous prime is 22206989821. The next prime is 22206989837. The reversal of 22206989836 is 63898960222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22206989837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775873726 + ... + 2775873733.

Almost surely, 2^22206989836 is an apocalyptic number.

It is an amenable number.

22206989836 is a deficient number, since it is larger than the sum of its proper divisors (16655242384).

22206989836 is a wasteful number, since it uses less digits than its factorization.

22206989836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551747463 (or 5551747461 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 22206989836 in words is "twenty-two billion, two hundred six million, nine hundred eighty-nine thousand, eight hundred thirty-six".