22773036208 has 20 divisors (see below), whose sum is σ = 47516816368. Its totient is φ = 10510632000.

The previous prime is 22773036203. The next prime is 22773036211. The reversal of 22773036208 is 80263037722.

It is a super-2 number, since 2×22773036208² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22773036203) 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, 54742668 + ... + 54743083.

Almost surely, 2^22773036208 is an apocalyptic number.

It is an amenable number.

22773036208 is an abundant number, since it is smaller than the sum of its proper divisors (24743780160).

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

22773036208 is a wasteful number, since it uses less digits than its factorization.

22773036208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109485772 (or 109485766 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 22773036208 in words is "twenty-two billion, seven hundred seventy-three million, thirty-six thousand, two hundred eight".