22236061646 has 16 divisors (see below), whose sum is σ = 35179401600. Its totient is φ = 10511922168.

The previous prime is 22236061609. The next prime is 22236061681. The reversal of 22236061646 is 64616063222.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562556 + ... + 600783.

It is an arithmetic number, because the mean of its divisors is an integer number (2198712600).

Almost surely, 2^22236061646 is an apocalyptic number.

22236061646 is a deficient number, since it is larger than the sum of its proper divisors (12943339954).

22236061646 is a wasteful number, since it uses less digits than its factorization.

22236061646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163863.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 22236061646 in words is "twenty-two billion, two hundred thirty-six million, sixty-one thousand, six hundred forty-six".