24222816 has 72 divisors (see below), whose sum is σ = 69464304. Its totient is φ = 8006400.

The previous prime is 24222799. The next prime is 24222829. The reversal of 24222816 is 61822242.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a self number, because there is not a number n which added to its sum of digits gives 24222816.

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 11 ways as a sum of consecutive naturals, for example, 43210 + ... + 43766.

It is an arithmetic number, because the mean of its divisors is an integer number (964782).

Almost surely, 2^24222816 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 24222816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34732152).

24222816 is an abundant number, since it is smaller than the sum of its proper divisors (45241488).

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

24222816 is a wasteful number, since it uses less digits than its factorization.

24222816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 713 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 24222816 is about 4921.6680099332. The cubic root of 24222816 is about 289.3398220824.

The spelling of 24222816 in words is "twenty-four million, two hundred twenty-two thousand, eight hundred sixteen".