8661622 has 8 divisors (see below), whose sum is σ = 13070736. Its totient is φ = 4304712.

The previous prime is 8661581. The next prime is 8661623. The reversal of 8661622 is 2261668.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8661623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12633 + ... + 13300.

It is an arithmetic number, because the mean of its divisors is an integer number (1633842).

Almost surely, 2^8661622 is an apocalyptic number.

8661622 is a deficient number, since it is larger than the sum of its proper divisors (4409114).

8661622 is a wasteful number, since it uses less digits than its factorization.

8661622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26102.

The product of its digits is 6912, while the sum is 31.

The square root of 8661622 is about 2943.0633700279. The cubic root of 8661622 is about 205.3681427699.

The spelling of 8661622 in words is "eight million, six hundred sixty-one thousand, six hundred twenty-two".