22440220024 has 8 divisors (see below), whose sum is σ = 42075412560. Its totient is φ = 11220110008.

The previous prime is 22440220007. The next prime is 22440220057. The reversal of 22440220024 is 42002204422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22440219977 and 22440220004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402513744 + ... + 1402513759.

It is an arithmetic number, because the mean of its divisors is an integer number (5259426570).

Almost surely, 2^22440220024 is an apocalyptic number.

It is an amenable number.

22440220024 is a deficient number, since it is larger than the sum of its proper divisors (19635192536).

22440220024 is a wasteful number, since it uses less digits than its factorization.

22440220024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805027509 (or 2805027505 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22440220024 its reverse (42002204422), we get a palindrome (64442424446).

The spelling of 22440220024 in words is "twenty-two billion, four hundred forty million, two hundred twenty thousand, twenty-four".