1222018470929 has 2 divisors, whose sum is σ = 1222018470930. Its totient is φ = 1222018470928.

The previous prime is 1222018470923. The next prime is 1222018470943. The reversal of 1222018470929 is 9290748102221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1107865712704 + 114152758225 = 1052552^2 + 337865^2 .

It is an emirp because it is prime and its reverse (9290748102221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222018470929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222018470923) 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, 611009235464 + 611009235465.

It is an arithmetic number, because the mean of its divisors is an integer number (611009235465).

Almost surely, 2^{1222018470929} is an apocalyptic number.

It is an amenable number.

1222018470929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222018470929 is an equidigital number, since it uses as much as digits as its factorization.

1222018470929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 1222018470929 in words is "one trillion, two hundred twenty-two billion, eighteen million, four hundred seventy thousand, nine hundred twenty-nine".