22502204928 has 480 divisors, whose sum is σ = 79155648000. Its totient is φ = 6139736064.

The previous prime is 22502204917. The next prime is 22502204939. The reversal of 22502204928 is 82940220522.

It is an interprime number because it is at equal distance from previous prime (22502204917) and next prime (22502204939).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22502204892 and 22502204901.

It is a congruent number.

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, 36352203 + ... + 36352821.

It is an arithmetic number, because the mean of its divisors is an integer number (164907600).

Almost surely, 2^22502204928 is an apocalyptic number.

22502204928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22502204928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39577824000).

22502204928 is an abundant number, since it is smaller than the sum of its proper divisors (56653443072).

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

22502204928 is an equidigital number, since it uses as much as digits as its factorization.

22502204928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 22502204928 in words is "twenty-two billion, five hundred two million, two hundred four thousand, nine hundred twenty-eight".