22220183729 has 2 divisors, whose sum is σ = 22220183730. Its totient is φ = 22220183728.

The previous prime is 22220183701. The next prime is 22220183801. The reversal of 22220183729 is 92738102222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16295033104 + 5925150625 = 127652^2 + 76975^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220183729 - 2⁸ = 22220183473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22220183692 and 22220183701.

It is not a weakly prime, because it can be changed into another prime (22220183429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110091864 + 11110091865.

It is an arithmetic number, because the mean of its divisors is an integer number (11110091865).

Almost surely, 2^22220183729 is an apocalyptic number.

It is an amenable number.

22220183729 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220183729 is an equidigital number, since it uses as much as digits as its factorization.

22220183729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 22220183729 in words is "twenty-two billion, two hundred twenty million, one hundred eighty-three thousand, seven hundred twenty-nine".