3222112129 has 2 divisors, whose sum is σ = 3222112130. Its totient is φ = 3222112128.

The previous prime is 3222112111. The next prime is 3222112217. The reversal of 3222112129 is 9212112223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2553786225 + 668325904 = 50535^2 + 25852^2 .

It is an emirp because it is prime and its reverse (9212112223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3222112129 - 2⁵ = 3222112097 is a prime.

It is not a weakly prime, because it can be changed into another prime (3222118129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611056064 + 1611056065.

It is an arithmetic number, because the mean of its divisors is an integer number (1611056065).

Almost surely, 2^3222112129 is an apocalyptic number.

It is an amenable number.

3222112129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3222112129 is an equidigital number, since it uses as much as digits as its factorization.

3222112129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 3222112129 is about 56763.6514769795. The cubic root of 3222112129 is about 1476.9990520404. Note that the first 3 decimals are identical.

The spelling of 3222112129 in words is "three billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twenty-nine".