22064244 has 96 divisors (see below), whose sum is σ = 58060800. Its totient is φ = 6491520.

The previous prime is 22064233. The next prime is 22064269. The reversal of 22064244 is 44246022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310729 + ... + 310799.

It is an arithmetic number, because the mean of its divisors is an integer number (604800).

Almost surely, 2^22064244 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 22064244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29030400).

22064244 is an abundant number, since it is smaller than the sum of its proper divisors (35996556).

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

22064244 is a wasteful number, since it uses less digits than its factorization.

22064244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 22064244 is about 4697.2592008532. The cubic root of 22064244 is about 280.4764168136.

The spelling of 22064244 in words is "twenty-two million, sixty-four thousand, two hundred forty-four".