22424033440 has 96 divisors (see below), whose sum is σ = 53362241856. Its totient is φ = 8904591360.

The previous prime is 22424033431. The next prime is 22424033449. The reversal of 22424033440 is 4433042422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22424033431) and next prime (22424033449).

It is a junction number, because it is equal to n+sod(n) for n = 22424033399 and 22424033408.

It is not an unprimeable number, because it can be changed into a prime (22424033449) 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, 21707164 + ... + 21708196.

It is an arithmetic number, because the mean of its divisors is an integer number (555856686).

Almost surely, 2^22424033440 is an apocalyptic number.

22424033440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22424033440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26681120928).

22424033440 is an abundant number, since it is smaller than the sum of its proper divisors (30938208416).

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

22424033440 is a wasteful number, since it uses less digits than its factorization.

22424033440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 22424033440 its reverse (4433042422), we get a palindrome (26857075862).

The spelling of 22424033440 in words is "twenty-two billion, four hundred twenty-four million, thirty-three thousand, four hundred forty".