22242229993 has 2 divisors, whose sum is σ = 22242229994. Its totient is φ = 22242229992.

The previous prime is 22242229957. The next prime is 22242230099. The reversal of 22242229993 is 39992224222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22007129104 + 235100889 = 148348^2 + 15333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22242229993 is a prime.

It is not a weakly prime, because it can be changed into another prime (22242220993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11121114996 + 11121114997.

It is an arithmetic number, because the mean of its divisors is an integer number (11121114997).

Almost surely, 2^22242229993 is an apocalyptic number.

It is an amenable number.

22242229993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22242229993 is an equidigital number, since it uses as much as digits as its factorization.

22242229993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 46.

The spelling of 22242229993 in words is "twenty-two billion, two hundred forty-two million, two hundred twenty-nine thousand, nine hundred ninety-three".