22332440424 has 64 divisors (see below), whose sum is σ = 65865277440. Its totient is φ = 6174866880.

The previous prime is 22332440407. The next prime is 22332440447. The reversal of 22332440424 is 42404423322.

It is a junction number, because it is equal to n+sod(n) for n = 22332440391 and 22332440400.

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, 2138844 + ... + 2149259.

It is an arithmetic number, because the mean of its divisors is an integer number (1029144960).

Almost surely, 2^22332440424 is an apocalyptic number.

22332440424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22332440424 is an abundant number, since it is smaller than the sum of its proper divisors (43532837016).

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

22332440424 is a wasteful number, since it uses less digits than its factorization.

22332440424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288150 (or 4288146 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 22332440424 its reverse (42404423322), we get a palindrome (64736863746).

The spelling of 22332440424 in words is "twenty-two billion, three hundred thirty-two million, four hundred forty thousand, four hundred twenty-four".