3221233129 has 2 divisors, whose sum is σ = 3221233130. Its totient is φ = 3221233128.

The previous prime is 3221233109. The next prime is 3221233139. The reversal of 3221233129 is 9213321223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2976248025 + 244985104 = 54555^2 + 15652^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221233129 - 2¹⁷ = 3221102057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221233097 and 3221233106.

It is not a weakly prime, because it can be changed into another prime (3221233109) 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, 1610616564 + 1610616565.

It is an arithmetic number, because the mean of its divisors is an integer number (1610616565).

Almost surely, 2^3221233129 is an apocalyptic number.

It is an amenable number.

3221233129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221233129 is an equidigital number, since it uses as much as digits as its factorization.

3221233129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 3221233129 is about 56755.9083179892. The cubic root of 3221233129 is about 1476.8647301846.

It can be divided in two parts, 32212 and 33129, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 3221233129 in words is "three billion, two hundred twenty-one million, two hundred thirty-three thousand, one hundred twenty-nine".