2220220022177 has 2 divisors, whose sum is σ = 2220220022178. Its totient is φ = 2220220022176.

The previous prime is 2220220022173. The next prime is 2220220022261. The reversal of 2220220022177 is 7712200220222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2016425560081 + 203794462096 = 1420009^2 + 451436^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220220022177 - 2² = 2220220022173 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220220022171) 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, 1110110011088 + 1110110011089.

It is an arithmetic number, because the mean of its divisors is an integer number (1110110011089).

Almost surely, 2^{2220220022177} is an apocalyptic number.

It is an amenable number.

2220220022177 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220220022177 is an equidigital number, since it uses as much as digits as its factorization.

2220220022177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 29.

Adding to 2220220022177 its reverse (7712200220222), we get a palindrome (9932420242399).

The spelling of 2220220022177 in words is "two trillion, two hundred twenty billion, two hundred twenty million, twenty-two thousand, one hundred seventy-seven".