22242024440 has 32 divisors (see below), whose sum is σ = 51770232000. Its totient is φ = 8590022784.

The previous prime is 22242024439. The next prime is 22242024449. The reversal of 22242024440 is 4442024222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242024449) 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, 9585920 + ... + 9588239.

It is an arithmetic number, because the mean of its divisors is an integer number (1617819750).

Almost surely, 2^22242024440 is an apocalyptic number.

22242024440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22242024440 is an abundant number, since it is smaller than the sum of its proper divisors (29528207560).

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

22242024440 is a wasteful number, since it uses less digits than its factorization.

22242024440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19174199 (or 19174195 counting only the distinct ones).

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

Adding to 22242024440 its reverse (4442024222), we get a palindrome (26684048662).

The spelling of 22242024440 in words is "twenty-two billion, two hundred forty-two million, twenty-four thousand, four hundred forty".