22928729944 has 8 divisors (see below), whose sum is σ = 42991368660. Its totient is φ = 11464364968.

The previous prime is 22928729891. The next prime is 22928729977. The reversal of 22928729944 is 44992782922.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1433045614 + ... + 1433045629.

Almost surely, 2^22928729944 is an apocalyptic number.

It is an amenable number.

22928729944 is a deficient number, since it is larger than the sum of its proper divisors (20062638716).

22928729944 is a wasteful number, since it uses less digits than its factorization.

22928729944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866091249 (or 2866091245 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 58.

The spelling of 22928729944 in words is "twenty-two billion, nine hundred twenty-eight million, seven hundred twenty-nine thousand, nine hundred forty-four".