22164448 has 24 divisors (see below), whose sum is σ = 44567712. Its totient is φ = 10845696.

The previous prime is 22164409. The next prime is 22164449. The reversal of 22164448 is 84446122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22164449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5865 + ... + 8872.

It is an arithmetic number, because the mean of its divisors is an integer number (1856988).

Almost surely, 2^22164448 is an apocalyptic number.

It is an amenable number.

22164448 is an abundant number, since it is smaller than the sum of its proper divisors (22403264).

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

22164448 is a wasteful number, since it uses less digits than its factorization.

22164448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14794 (or 14786 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

The square root of 22164448 is about 4707.9133381998. The cubic root of 22164448 is about 280.9003669860.

The spelling of 22164448 in words is "twenty-two million, one hundred sixty-four thousand, four hundred forty-eight".