22708864 has 64 divisors (see below), whose sum is σ = 47980800. Its totient is φ = 10690560.

The previous prime is 22708837. The next prime is 22708867. The reversal of 22708864 is 46880722.

It is a tau number, because it is divible by the number of its divisors (64).

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (22708867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234064 + ... + 234160.

It is an arithmetic number, because the mean of its divisors is an integer number (749700).

Almost surely, 2^22708864 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 22708864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23990400).

22708864 is an abundant number, since it is smaller than the sum of its proper divisors (25271936).

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

22708864 is an equidigital number, since it uses as much as digits as its factorization.

22708864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 22708864 is about 4765.3818315010. The cubic root of 22708864 is about 283.1816686188.

The spelling of 22708864 in words is "twenty-two million, seven hundred eight thousand, eight hundred sixty-four".