4424622661 has 2 divisors, whose sum is σ = 4424622662. Its totient is φ = 4424622660.

The previous prime is 4424622641. The next prime is 4424622673. The reversal of 4424622661 is 1662264244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2787206436 + 1637416225 = 52794^2 + 40465^2 .

It is a cyclic number.

It is not a de Polignac number, because 4424622661 - 2²¹ = 4422525509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4424622661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4424622641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212311330 + 2212311331.

It is an arithmetic number, because the mean of its divisors is an integer number (2212311331).

Almost surely, 2^4424622661 is an apocalyptic number.

It is an amenable number.

4424622661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4424622661 is an equidigital number, since it uses as much as digits as its factorization.

4424622661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 37.

The square root of 4424622661 is about 66517.8371641772. The cubic root of 4424622661 is about 1641.6935040897.

The spelling of 4424622661 in words is "four billion, four hundred twenty-four million, six hundred twenty-two thousand, six hundred sixty-one".