22236725816 has 16 divisors (see below), whose sum is σ = 43038824640. Its totient is φ = 10759705920.

The previous prime is 22236725807. The next prime is 22236725873. The reversal of 22236725816 is 61852763222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44831861 + ... + 44832356.

It is an arithmetic number, because the mean of its divisors is an integer number (2689926540).

Almost surely, 2^22236725816 is an apocalyptic number.

It is an amenable number.

22236725816 is a deficient number, since it is larger than the sum of its proper divisors (20802098824).

22236725816 is a wasteful number, since it uses less digits than its factorization.

22236725816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89664254 (or 89664250 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The spelling of 22236725816 in words is "twenty-two billion, two hundred thirty-six million, seven hundred twenty-five thousand, eight hundred sixteen".