6221566106 has 8 divisors (see below), whose sum is σ = 10665541920. Its totient is φ = 2666385468.

The previous prime is 6221566097. The next prime is 6221566123. The reversal of 6221566106 is 6016651226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6221566106² = 77415769622656006472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222198776 + ... + 222198803.

It is an arithmetic number, because the mean of its divisors is an integer number (1333192740).

Almost surely, 2^6221566106 is an apocalyptic number.

6221566106 is a deficient number, since it is larger than the sum of its proper divisors (4443975814).

6221566106 is a wasteful number, since it uses less digits than its factorization.

6221566106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444397588.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 6221566106 is about 78876.9047693937. The cubic root of 6221566106 is about 1839.2181328777.

The spelling of 6221566106 in words is "six billion, two hundred twenty-one million, five hundred sixty-six thousand, one hundred six".