8661122 has 6 divisors (see below), whose sum is σ = 12997929. Its totient is φ = 4328480.

The previous prime is 8661119. The next prime is 8661137. The reversal of 8661122 is 2211668.

It can be written as a sum of positive squares in 2 ways, for example, as 8532241 + 128881 = 2921^2 + 359^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2081.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8661091 and 8661100.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3122 + ... + 5202.

Almost surely, 2^8661122 is an apocalyptic number.

8661122 is a deficient number, since it is larger than the sum of its proper divisors (4336807).

8661122 is an frugal number, since it uses more digits than its factorization.

8661122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164 (or 2083 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 8661122 is about 2942.9784232984. The cubic root of 8661122 is about 205.3641910063.

Multiplying 8661122 by its product of digits (1152), we get a square (9977612544 = 99888²).

The spelling of 8661122 in words is "eight million, six hundred sixty-one thousand, one hundred twenty-two".