22406616 has 24 divisors (see below), whose sum is σ = 60684780. Its totient is φ = 7468848.

The previous prime is 22406543. The next prime is 22406627. The reversal of 22406616 is 61660422.

It is a happy number.

22406616 is a `hidden beast` number, since 2 + 2 + 40 + 6 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22406616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155530 + ... + 155673.

Almost surely, 2^22406616 is an apocalyptic number.

It is an amenable number.

22406616 is an abundant number, since it is smaller than the sum of its proper divisors (38278164).

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

22406616 is a wasteful number, since it uses less digits than its factorization.

22406616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311215 (or 311208 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 22406616 is about 4733.5627174466. The cubic root of 22406616 is about 281.9196994843.

The spelling of 22406616 in words is "twenty-two million, four hundred six thousand, six hundred sixteen".