22693317728 has 12 divisors (see below), whose sum is σ = 44677469340. Its totient is φ = 11346658848.

The previous prime is 22693317727. The next prime is 22693317749. The reversal of 22693317728 is 82771339622.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22693317727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354583058 + ... + 354583121.

It is an arithmetic number, because the mean of its divisors is an integer number (3723122445).

Almost surely, 2^22693317728 is an apocalyptic number.

It is an amenable number.

22693317728 is a deficient number, since it is larger than the sum of its proper divisors (21984151612).

22693317728 is an equidigital number, since it uses as much as digits as its factorization.

22693317728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709166189 (or 709166181 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The spelling of 22693317728 in words is "twenty-two billion, six hundred ninety-three million, three hundred seventeen thousand, seven hundred twenty-eight".