22666616 has 48 divisors (see below), whose sum is σ = 50417640. Its totient is φ = 9522240.

The previous prime is 22666597. The next prime is 22666619. The reversal of 22666616 is 61666622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22666619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20231 + ... + 21321.

Almost surely, 2^22666616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22666616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25208820).

22666616 is an abundant number, since it is smaller than the sum of its proper divisors (27751024).

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

22666616 is a wasteful number, since it uses less digits than its factorization.

22666616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1153 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 22666616 is about 4760.9469646279. The cubic root of 22666616 is about 283.0059474250.

The spelling of 22666616 in words is "twenty-two million, six hundred sixty-six thousand, six hundred sixteen".