22085816 has 16 divisors (see below), whose sum is σ = 41622000. Its totient is φ = 10986624.

The previous prime is 22085807. The next prime is 22085821. The reversal of 22085816 is 61858022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5345 + ... + 8528.

It is an arithmetic number, because the mean of its divisors is an integer number (2601375).

Almost surely, 2^22085816 is an apocalyptic number.

It is an amenable number.

22085816 is a deficient number, since it is larger than the sum of its proper divisors (19536184).

22085816 is a wasteful number, since it uses less digits than its factorization.

22085816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14078 (or 14074 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 22085816 is about 4699.5548725385. The cubic root of 22085816 is about 280.5677934094.

The spelling of 22085816 in words is "twenty-two million, eighty-five thousand, eight hundred sixteen".