22778097616 has 10 divisors (see below), whose sum is σ = 44132564162. Its totient is φ = 11389048800.

The previous prime is 22778097607. The next prime is 22778097623. The reversal of 22778097616 is 61679087722.

It can be written as a sum of positive squares in only one way, i.e., 18091326016 + 4686771600 = 134504^2 + 68460^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711815535 + ... + 711815566.

Almost surely, 2^22778097616 is an apocalyptic number.

It is an amenable number.

22778097616 is a deficient number, since it is larger than the sum of its proper divisors (21354466546).

22778097616 is a wasteful number, since it uses less digits than its factorization.

22778097616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423631109 (or 1423631103 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 55.

The spelling of 22778097616 in words is "twenty-two billion, seven hundred seventy-eight million, ninety-seven thousand, six hundred sixteen".