22220333302217 has 2 divisors, whose sum is σ = 22220333302218. Its totient is φ = 22220333302216.

The previous prime is 22220333302157. The next prime is 22220333302241. The reversal of 22220333302217 is 71220333302222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14187961089481 + 8032372212736 = 3766691^2 + 2834144^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220333302217 - 2¹⁶ = 22220333236681 is a prime.

It is a super-2 number, since 2×22220333302217² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22220333322217) 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, 11110166651108 + 11110166651109.

It is an arithmetic number, because the mean of its divisors is an integer number (11110166651109).

Almost surely, 2^{22220333302217} is an apocalyptic number.

It is an amenable number.

22220333302217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220333302217 is an equidigital number, since it uses as much as digits as its factorization.

22220333302217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 32.

Adding to 22220333302217 its reverse (71220333302222), we get a palindrome (93440666604439).

The spelling of 22220333302217 in words is "twenty-two trillion, two hundred twenty billion, three hundred thirty-three million, three hundred two thousand, two hundred seventeen".