4220345369 has 2 divisors, whose sum is σ = 4220345370. Its totient is φ = 4220345368.

The previous prime is 4220345317. The next prime is 4220345447. The reversal of 4220345369 is 9635430224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3904750144 + 315595225 = 62488^2 + 17765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4220345369 is a prime.

It is a super-2 number, since 2×4220345369² = 35622630067279492322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4220344369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110172684 + 2110172685.

It is an arithmetic number, because the mean of its divisors is an integer number (2110172685).

Almost surely, 2^4220345369 is an apocalyptic number.

It is an amenable number.

4220345369 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220345369 is an equidigital number, since it uses as much as digits as its factorization.

4220345369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 4220345369 is about 64964.1852792752. The cubic root of 4220345369 is about 1616.0296729400.

The spelling of 4220345369 in words is "four billion, two hundred twenty million, three hundred forty-five thousand, three hundred sixty-nine".