22284064 has 96 divisors (see below), whose sum is σ = 51710400. Its totient is φ = 9354240.

The previous prime is 22284061. The next prime is 22284077. The reversal of 22284064 is 46048222.

It is not an unprimeable number, because it can be changed into a prime (22284061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377667 + ... + 377725.

It is an arithmetic number, because the mean of its divisors is an integer number (538650).

Almost surely, 2^22284064 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 22284064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25855200).

22284064 is an abundant number, since it is smaller than the sum of its proper divisors (29426336).

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

22284064 is a wasteful number, since it uses less digits than its factorization.

22284064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 22284064 is about 4720.5999618693. The cubic root of 22284064 is about 281.4047770957.

The spelling of 22284064 in words is "twenty-two million, two hundred eighty-four thousand, sixty-four".