4220086509 has 6 divisors (see below), whose sum is σ = 6095680526. Its totient is φ = 2813391000.

The previous prime is 4220086489. The next prime is 4220086517. The reversal of 4220086509 is 9056800224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3022580484 + 1197506025 = 54978^2 + 34605^2 .

It is not a de Polignac number, because 4220086509 - 2⁹ = 4220085997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220086309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234449242 + ... + 234449259.

Almost surely, 2^4220086509 is an apocalyptic number.

It is an amenable number.

4220086509 is a deficient number, since it is larger than the sum of its proper divisors (1875594017).

4220086509 is a wasteful number, since it uses less digits than its factorization.

4220086509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468898507 (or 468898504 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4220086509 is about 64962.1929201901. The cubic root of 4220086509 is about 1615.9966318847.

The spelling of 4220086509 in words is "four billion, two hundred twenty million, eighty-six thousand, five hundred nine".