8561612226 has 8 divisors (see below), whose sum is σ = 17123224464. Its totient is φ = 2853870740.

The previous prime is 8561612201. The next prime is 8561612231. The reversal of 8561612226 is 6222161658.

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

8561612226 is an admirable number.

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, 713467680 + ... + 713467691.

It is an arithmetic number, because the mean of its divisors is an integer number (2140403058).

Almost surely, 2^8561612226 is an apocalyptic number.

8561612226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8561612226 is a wasteful number, since it uses less digits than its factorization.

8561612226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426935376.

The product of its digits is 69120, while the sum is 39.

The square root of 8561612226 is about 92528.9804655817. The cubic root of 8561612226 is about 2045.7466622265.

The spelling of 8561612226 in words is "eight billion, five hundred sixty-one million, six hundred twelve thousand, two hundred twenty-six".