22220302002277 has 2 divisors, whose sum is σ = 22220302002278. Its totient is φ = 22220302002276.

The previous prime is 22220302002193. The next prime is 22220302002281. The reversal of 22220302002277 is 77220020302222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16534299605121 + 5686002397156 = 4066239^2 + 2384534^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220302002277 - 2⁷ = 22220302002149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22220302002077) 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, 11110151001138 + 11110151001139.

It is an arithmetic number, because the mean of its divisors is an integer number (11110151001139).

Almost surely, 2^{22220302002277} is an apocalyptic number.

It is an amenable number.

22220302002277 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220302002277 is an equidigital number, since it uses as much as digits as its factorization.

22220302002277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 31.

Adding to 22220302002277 its reverse (77220020302222), we get a palindrome (99440322304499).

The spelling of 22220302002277 in words is "twenty-two trillion, two hundred twenty billion, three hundred two million, two thousand, two hundred seventy-seven".