22220000993 has 2 divisors, whose sum is σ = 22220000994. Its totient is φ = 22220000992.

The previous prime is 22220000989. The next prime is 22220001049. The reversal of 22220000993 is 39900002222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16034650384 + 6185350609 = 126628^2 + 78647^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220000993 - 2² = 22220000989 is a prime.

It is not a weakly prime, because it can be changed into another prime (22220000923) by changing a digit.

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, 11110000496 + 11110000497.

It is an arithmetic number, because the mean of its divisors is an integer number (11110000497).

Almost surely, 2^22220000993 is an apocalyptic number.

It is an amenable number.

22220000993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220000993 is an equidigital number, since it uses as much as digits as its factorization.

22220000993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 22220000993 in words is "twenty-two billion, two hundred twenty million, nine hundred ninety-three", and thus it is an aban number.