22778743683 has 24 divisors (see below), whose sum is σ = 32645691792. Its totient is φ = 14079081984.

The previous prime is 22778743679. The next prime is 22778743697. The reversal of 22778743683 is 38634787722.

It is not a de Polignac number, because 22778743683 - 2² = 22778743679 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22778743613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179191 + ... + 278687.

It is an arithmetic number, because the mean of its divisors is an integer number (1360237158).

Almost surely, 2^22778743683 is an apocalyptic number.

22778743683 is a deficient number, since it is larger than the sum of its proper divisors (9866948109).

22778743683 is an equidigital number, since it uses as much as digits as its factorization.

22778743683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99651 (or 99584 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 57.

The spelling of 22778743683 in words is "twenty-two billion, seven hundred seventy-eight million, seven hundred forty-three thousand, six hundred eighty-three".