22424202440 has 64 divisors (see below), whose sum is σ = 53408203200. Its totient is φ = 8458958592.

The previous prime is 22424202433. The next prime is 22424202467. The reversal of 22424202440 is 4420242422.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174902 + ... + 274661.

It is an arithmetic number, because the mean of its divisors is an integer number (834503175).

Almost surely, 2^22424202440 is an apocalyptic number.

22424202440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22424202440 is an abundant number, since it is smaller than the sum of its proper divisors (30984000760).

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

22424202440 is a wasteful number, since it uses less digits than its factorization.

22424202440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449646 (or 449642 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22424202440 its reverse (4420242422), we get a palindrome (26844444862).

The spelling of 22424202440 in words is "twenty-two billion, four hundred twenty-four million, two hundred two thousand, four hundred forty".