4622221309 has 2 divisors, whose sum is σ = 4622221310. Its totient is φ = 4622221308.

The previous prime is 4622221297. The next prime is 4622221327. The reversal of 4622221309 is 9031222264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4576928409 + 45292900 = 67653^2 + 6730^2 .

It is a cyclic number.

It is not a de Polignac number, because 4622221309 - 2²³ = 4613832701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4622221609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2311110654 + 2311110655.

It is an arithmetic number, because the mean of its divisors is an integer number (2311110655).

Almost surely, 2^4622221309 is an apocalyptic number.

It is an amenable number.

4622221309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4622221309 is an equidigital number, since it uses as much as digits as its factorization.

4622221309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 4622221309 is about 67986.9201317430. The cubic root of 4622221309 is about 1665.7771935781. Note that the first 3 decimals are identical.

The spelling of 4622221309 in words is "four billion, six hundred twenty-two million, two hundred twenty-one thousand, three hundred nine".