222222021000017 has 2 divisors, whose sum is σ = 222222021000018. Its totient is φ = 222222021000016.

The previous prime is 222222020999897. The next prime is 222222021000041. The reversal of 222222021000017 is 710000120222222.

It is a happy number.

222222021000017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220258872536641 + 1963148463376 = 14841121^2 + 1401124^2 .

It is a cyclic number.

It is not a de Polignac number, because 222222021000017 - 2²⁶ = 222221953891153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222222020999956 and 222222021000001.

It is not a weakly prime, because it can be changed into another prime (222222021000047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111010500008 + 111111010500009.

It is an arithmetic number, because the mean of its divisors is an integer number (111111010500009).

Almost surely, 2^{222222021000017} is an apocalyptic number.

It is an amenable number.

222222021000017 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222021000017 is an equidigital number, since it uses as much as digits as its factorization.

222222021000017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 222222021000017 its reverse (710000120222222), we get a palindrome (932222141222239).

The spelling of 222222021000017 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty-one million, seventeen", and thus it is an aban number.