1022222021207 has 2 divisors, whose sum is σ = 1022222021208. Its totient is φ = 1022222021206.

The previous prime is 1022222021173. The next prime is 1022222021221. The reversal of 1022222021207 is 7021202222201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1022222021207 - 2⁸ = 1022222020951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022222021237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511111010603 + 511111010604.

It is an arithmetic number, because the mean of its divisors is an integer number (511111010604).

Almost surely, 2^{1022222021207} is an apocalyptic number.

1022222021207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022222021207 is an equidigital number, since it uses as much as digits as its factorization.

1022222021207 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1022222021207 its reverse (7021202222201), we get a palindrome (8043424243408).

The spelling of 1022222021207 in words is "one trillion, twenty-two billion, two hundred twenty-two million, twenty-one thousand, two hundred seven".