8866222181 has 8 divisors (see below), whose sum is σ = 8983965120. Its totient is φ = 8749088352.

The previous prime is 8866222121. The next prime is 8866222201. The reversal of 8866222181 is 1812226688.

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

It is a cyclic number.

It is not a de Polignac number, because 8866222181 - 2⁶ = 8866222117 is a prime.

It is a super-2 number, since 2×8866222181² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8866222121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122936 + ... + 181233.

It is an arithmetic number, because the mean of its divisors is an integer number (1122995640).

Almost surely, 2^8866222181 is an apocalyptic number.

It is an amenable number.

8866222181 is a deficient number, since it is larger than the sum of its proper divisors (117742939).

8866222181 is a wasteful number, since it uses less digits than its factorization.

8866222181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304555.

The product of its digits is 147456, while the sum is 44.

The square root of 8866222181 is about 94160.6190559514. The cubic root of 8866222181 is about 2069.7260702340.

The spelling of 8866222181 in words is "eight billion, eight hundred sixty-six million, two hundred twenty-two thousand, one hundred eighty-one".