22439102004 has 144 divisors (see below), whose sum is σ = 64044160320. Its totient is φ = 6789182400.

The previous prime is 22439102003. The next prime is 22439102099. The reversal of 22439102004 is 40020193422.

22439102004 is a `hidden beast` number, since 22 + 439 + 1 + 0 + 200 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22439102003) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 14282539 + ... + 14284109.

Almost surely, 2^22439102004 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 22439102004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32022080160).

22439102004 is an abundant number, since it is smaller than the sum of its proper divisors (41605058316).

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

22439102004 is a wasteful number, since it uses less digits than its factorization.

22439102004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 22439102004 its reverse (40020193422), we get a palindrome (62459295426).

The spelling of 22439102004 in words is "twenty-two billion, four hundred thirty-nine million, one hundred two thousand, four".