22648224 has 24 divisors (see below), whose sum is σ = 59451840. Its totient is φ = 7549376.

The previous prime is 22648201. The next prime is 22648237. The reversal of 22648224 is 42284622.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22648191 and 22648200.

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 3 ways as a sum of consecutive naturals, for example, 117864 + ... + 118055.

It is an arithmetic number, because the mean of its divisors is an integer number (2477160).

Almost surely, 2^22648224 is an apocalyptic number.

22648224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22648224 is an abundant number, since it is smaller than the sum of its proper divisors (36803616).

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

22648224 is a wasteful number, since it uses less digits than its factorization.

22648224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235932 (or 235924 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

The square root of 22648224 is about 4759.0150241410. The cubic root of 22648224 is about 282.9293817563.

The spelling of 22648224 in words is "twenty-two million, six hundred forty-eight thousand, two hundred twenty-four".