222102020220257 has 2 divisors, whose sum is σ = 222102020220258. Its totient is φ = 222102020220256.

The previous prime is 222102020220163. The next prime is 222102020220307. The reversal of 222102020220257 is 752022020201222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211580326731601 + 10521693488656 = 14545801^2 + 3243716^2 .

It is a cyclic number.

It is not a de Polignac number, because 222102020220257 - 2¹² = 222102020216161 is a prime.

It is not a weakly prime, because it can be changed into another prime (222102023220257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111051010110128 + 111051010110129.

It is an arithmetic number, because the mean of its divisors is an integer number (111051010110129).

Almost surely, 2^{222102020220257} is an apocalyptic number.

It is an amenable number.

222102020220257 is a deficient number, since it is larger than the sum of its proper divisors (1).

222102020220257 is an equidigital number, since it uses as much as digits as its factorization.

222102020220257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 29.

Adding to 222102020220257 its reverse (752022020201222), we get a palindrome (974124040421479).

The spelling of 222102020220257 in words is "two hundred twenty-two trillion, one hundred two billion, twenty million, two hundred twenty thousand, two hundred fifty-seven".