4427622785 has 4 divisors (see below), whose sum is σ = 5313147348. Its totient is φ = 3542098224.

The previous prime is 4427622779. The next prime is 4427622803. The reversal of 4427622785 is 5872267244.

4427622785 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 459630721 + 3967992064 = 21439^2 + 62992^2 .

It is a cyclic number.

It is not a de Polignac number, because 4427622785 - 2¹⁶ = 4427557249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442762274 + ... + 442762283.

It is an arithmetic number, because the mean of its divisors is an integer number (1328286837).

Almost surely, 2^4427622785 is an apocalyptic number.

It is an amenable number.

4427622785 is a deficient number, since it is larger than the sum of its proper divisors (885524563).

4427622785 is an equidigital number, since it uses as much as digits as its factorization.

4427622785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885524562.

The product of its digits is 1505280, while the sum is 47.

The square root of 4427622785 is about 66540.3846171631. The cubic root of 4427622785 is about 1642.0644714150.

The spelling of 4427622785 in words is "four billion, four hundred twenty-seven million, six hundred twenty-two thousand, seven hundred eighty-five".