22664016 has 80 divisors (see below), whose sum is σ = 67912320. Its totient is φ = 7223040.

The previous prime is 22664003. The next prime is 22664027. The reversal of 22664016 is 61046622.

It is a happy number.

22664016 is a `hidden beast` number, since 2 + 2 + 6 + 640 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8796 + ... + 11076.

It is an arithmetic number, because the mean of its divisors is an integer number (848904).

Almost surely, 2^22664016 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 22664016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33956160).

22664016 is an abundant number, since it is smaller than the sum of its proper divisors (45248304).

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

22664016 is a wasteful number, since it uses less digits than its factorization.

22664016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2309 counting only the distinct ones).

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

The square root of 22664016 is about 4760.6739018757. The cubic root of 22664016 is about 282.9951261714.

The spelling of 22664016 in words is "twenty-two million, six hundred sixty-four thousand, sixteen".