22646216636 has 6 divisors (see below), whose sum is σ = 39630879120. Its totient is φ = 11323108316.

The previous prime is 22646216629. The next prime is 22646216713. The reversal of 22646216636 is 63661264622.

It is a super-2 number, since 2×22646216636² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830777076 + ... + 2830777083.

It is an arithmetic number, because the mean of its divisors is an integer number (6605146520).

Almost surely, 2^22646216636 is an apocalyptic number.

It is an amenable number.

22646216636 is a deficient number, since it is larger than the sum of its proper divisors (16984662484).

22646216636 is a wasteful number, since it uses less digits than its factorization.

22646216636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661554163 (or 5661554161 counting only the distinct ones).

The product of its digits is 746496, while the sum is 44.

The spelling of 22646216636 in words is "twenty-two billion, six hundred forty-six million, two hundred sixteen thousand, six hundred thirty-six".