22440124304 has 80 divisors (see below), whose sum is σ = 49622292720. Its totient is φ = 9738731520.

The previous prime is 22440124303. The next prime is 22440124313. The reversal of 22440124304 is 40342104422.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2881542400 + 19558581904 = 53680^2 + 139852^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (22440124303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5050724 + ... + 5055164.

It is an arithmetic number, because the mean of its divisors is an integer number (620278659).

Almost surely, 2^22440124304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22440124304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24811146360).

22440124304 is an abundant number, since it is smaller than the sum of its proper divisors (27182168416).

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

22440124304 is a wasteful number, since it uses less digits than its factorization.

22440124304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5908 (or 5902 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22440124304 its reverse (40342104422), we get a palindrome (62782228726).

The spelling of 22440124304 in words is "twenty-two billion, four hundred forty million, one hundred twenty-four thousand, three hundred four".