22220302002281 has 2 divisors, whose sum is σ = 22220302002282. Its totient is φ = 22220302002280.

The previous prime is 22220302002277. The next prime is 22220302002331. The reversal of 22220302002281 is 18220020302222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12798220051600 + 9422081950681 = 3577460^2 + 3069541^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220302002281 - 2² = 22220302002277 is a prime.

It is a super-2 number, since 2×22220302002281² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22220302002281.

It is not a weakly prime, because it can be changed into another prime (22220302004281) 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, 11110151001140 + 11110151001141.

It is an arithmetic number, because the mean of its divisors is an integer number (11110151001141).

Almost surely, 2^{22220302002281} is an apocalyptic number.

It is an amenable number.

22220302002281 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220302002281 is an equidigital number, since it uses as much as digits as its factorization.

22220302002281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 26.

The spelling of 22220302002281 in words is "twenty-two trillion, two hundred twenty billion, three hundred two million, two thousand, two hundred eighty-one".