4220344829 has 2 divisors, whose sum is σ = 4220344830. Its totient is φ = 4220344828.

The previous prime is 4220344813. The next prime is 4220344831. The reversal of 4220344829 is 9284430224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3212282329 + 1008062500 = 56677^2 + 31750^2 .

It is a cyclic number.

It is not a de Polignac number, because 4220344829 - 2⁴ = 4220344813 is a prime.

It is a super-2 number, since 2×4220344829² = 35622620951334078482, which contains 22 as substring.

Together with 4220344831, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4220344792 and 4220344801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4220344859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110172414 + 2110172415.

It is an arithmetic number, because the mean of its divisors is an integer number (2110172415).

Almost surely, 2^4220344829 is an apocalyptic number.

It is an amenable number.

4220344829 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220344829 is an equidigital number, since it uses as much as digits as its factorization.

4220344829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 4220344829 is about 64964.1811231389. The cubic root of 4220344829 is about 1616.0296040154.

The spelling of 4220344829 in words is "four billion, two hundred twenty million, three hundred forty-four thousand, eight hundred twenty-nine".