222020128207 has 2 divisors, whose sum is σ = 222020128208. Its totient is φ = 222020128206.

The previous prime is 222020128201. The next prime is 222020128217. The reversal of 222020128207 is 702821020222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222020128207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222020128201) 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, 111010064103 + 111010064104.

It is an arithmetic number, because the mean of its divisors is an integer number (111010064104).

Almost surely, 2^222020128207 is an apocalyptic number.

222020128207 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020128207 is an equidigital number, since it uses as much as digits as its factorization.

222020128207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

Adding to 222020128207 its reverse (702821020222), we get a palindrome (924841148429).

The spelling of 222020128207 in words is "two hundred twenty-two billion, twenty million, one hundred twenty-eight thousand, two hundred seven".