22200440424 has 32 divisors (see below), whose sum is σ = 55517400000. Its totient is φ = 7397973632.

The previous prime is 22200440401. The next prime is 22200440429. The reversal of 22200440424 is 42404400222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 22200440394 and 22200440403.

It is not an unprimeable number, because it can be changed into a prime (22200440429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51324 + ... + 216875.

It is an arithmetic number, because the mean of its divisors is an integer number (1734918750).

Almost surely, 2^22200440424 is an apocalyptic number.

22200440424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22200440424 is an abundant number, since it is smaller than the sum of its proper divisors (33316959576).

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

22200440424 is a wasteful number, since it uses less digits than its factorization.

22200440424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271657 (or 271653 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22200440424 its reverse (42404400222), we get a palindrome (64604840646).

The spelling of 22200440424 in words is "twenty-two billion, two hundred million, four hundred forty thousand, four hundred twenty-four".