22728418799 has 2 divisors, whose sum is σ = 22728418800. Its totient is φ = 22728418798.

The previous prime is 22728418781. The next prime is 22728418841. The reversal of 22728418799 is 99781482722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22728418799 - 2⁸ = 22728418543 is a prime.

It is a super-2 number, since 2×22728418799² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22728418099) by changing a digit.

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, 11364209399 + 11364209400.

It is an arithmetic number, because the mean of its divisors is an integer number (11364209400).

Almost surely, 2^22728418799 is an apocalyptic number.

22728418799 is a deficient number, since it is larger than the sum of its proper divisors (1).

22728418799 is an equidigital number, since it uses as much as digits as its factorization.

22728418799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 59.

The spelling of 22728418799 in words is "twenty-two billion, seven hundred twenty-eight million, four hundred eighteen thousand, seven hundred ninety-nine".