4220321029 has 2 divisors, whose sum is σ = 4220321030. Its totient is φ = 4220321028.

The previous prime is 4220321023. The next prime is 4220321069. The reversal of 4220321029 is 9201230224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4131018529 + 89302500 = 64273^2 + 9450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4220321029 is a prime.

It is a super-2 number, since 2×4220321029² = 35622219175639237682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4220320994 and 4220321012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4220321023) 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, 2110160514 + 2110160515.

It is an arithmetic number, because the mean of its divisors is an integer number (2110160515).

Almost surely, 2^4220321029 is an apocalyptic number.

It is an amenable number.

4220321029 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220321029 is an equidigital number, since it uses as much as digits as its factorization.

4220321029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4220321029 is about 64963.9979450157. The cubic root of 4220321029 is about 1616.0265662244.

The spelling of 4220321029 in words is "four billion, two hundred twenty million, three hundred twenty-one thousand, twenty-nine".