6220621209 has 16 divisors (see below), whose sum is σ = 9137767104. Its totient is φ = 3732744000.

The previous prime is 6220621201. The next prime is 6220621219. The reversal of 6220621209 is 9021260226.

It is not a de Polignac number, because 6220621209 - 2³ = 6220621201 is a prime.

It is a super-2 number, since 2×6220621209² = 77392256451721243362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6220621201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 929854 + ... + 936519.

It is an arithmetic number, because the mean of its divisors is an integer number (571110444).

Almost surely, 2^6220621209 is an apocalyptic number.

It is an amenable number.

6220621209 is a deficient number, since it is larger than the sum of its proper divisors (2917145895).

6220621209 is a wasteful number, since it uses less digits than its factorization.

6220621209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866488.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 6220621209 is about 78870.9148482506. The cubic root of 6220621209 is about 1839.1250180760.

The spelling of 6220621209 in words is "six billion, two hundred twenty million, six hundred twenty-one thousand, two hundred nine".