222020106817 has 2 divisors, whose sum is σ = 222020106818. Its totient is φ = 222020106816.

The previous prime is 222020106769. The next prime is 222020106851. The reversal of 222020106817 is 718601020222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118287157041 + 103732949776 = 343929^2 + 322076^2 .

It is a cyclic number.

It is not a de Polignac number, because 222020106817 - 2³¹ = 219872623169 is a prime.

It is not a weakly prime, because it can be changed into another prime (222020101817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010053408 + 111010053409.

It is an arithmetic number, because the mean of its divisors is an integer number (111010053409).

Almost surely, 2^222020106817 is an apocalyptic number.

It is an amenable number.

222020106817 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020106817 is an equidigital number, since it uses as much as digits as its factorization.

222020106817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 222020106817 in words is "two hundred twenty-two billion, twenty million, one hundred six thousand, eight hundred seventeen".