1122220207 has 2 divisors, whose sum is σ = 1122220208. Its totient is φ = 1122220206.

The previous prime is 1122220193. The next prime is 1122220241. The reversal of 1122220207 is 7020222211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122220207 - 2⁷ = 1122220079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122220907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561110103 + 561110104.

It is an arithmetic number, because the mean of its divisors is an integer number (561110104).

Almost surely, 2^1122220207 is an apocalyptic number.

1122220207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122220207 is an equidigital number, since it uses as much as digits as its factorization.

1122220207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1122220207 is about 33499.5553254069. Note that the first 3 decimals coincide. The cubic root of 1122220207 is about 1039.1845824199.

Adding to 1122220207 its reverse (7020222211), we get a palindrome (8142442418).

The spelling of 1122220207 in words is "one billion, one hundred twenty-two million, two hundred twenty thousand, two hundred seven".