22523203044 has 144 divisors (see below), whose sum is σ = 58901489920. Its totient is φ = 7254074880.

The previous prime is 22523203019. The next prime is 22523203069. The reversal of 22523203044 is 44030232522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22523203019) and next prime (22523203069).

It is a super-2 number, since 2×22523203044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22523202999 and 22523203017.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32594739 + ... + 32595429.

Almost surely, 2^22523203044 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 22523203044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29450744960).

22523203044 is an abundant number, since it is smaller than the sum of its proper divisors (36378286876).

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

22523203044 is a wasteful number, since it uses less digits than its factorization.

22523203044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 22523203044 its reverse (44030232522), we get a palindrome (66553435566).

The spelling of 22523203044 in words is "twenty-two billion, five hundred twenty-three million, two hundred three thousand, forty-four".