22424424144440 has 32 divisors (see below), whose sum is σ = 50455298900160. Its totient is φ = 8969708400000.

The previous prime is 22424424144371. The next prime is 22424424144511. The reversal of 22424424144440 is 4444142442422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4261985 + ... + 7938095.

It is an arithmetic number, because the mean of its divisors is an integer number (1576728090630).

Almost surely, 2^{22424424144440} is an apocalyptic number.

22424424144440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22424424144440 is an abundant number, since it is smaller than the sum of its proper divisors (28030874755720).

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

22424424144440 is a wasteful number, since it uses less digits than its factorization.

22424424144440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828623 (or 3828619 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 41.

Adding to 22424424144440 its reverse (4444142442422), we get a palindrome (26868566586862).

The spelling of 22424424144440 in words is "twenty-two trillion, four hundred twenty-four billion, four hundred twenty-four million, one hundred forty-four thousand, four hundred forty".