22530099072 has 256 divisors, whose sum is σ = 70189056000. Its totient is φ = 6340239360.

The previous prime is 22530099061. The next prime is 22530099073. The reversal of 22530099072 is 27099003522.

It is a super-2 number, since 2×22530099072² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 22530099072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530099073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2746497 + ... + 2754687.

It is an arithmetic number, because the mean of its divisors is an integer number (274176000).

Almost surely, 2^22530099072 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 22530099072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35094528000).

22530099072 is an abundant number, since it is smaller than the sum of its proper divisors (47658956928).

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

22530099072 is a wasteful number, since it uses less digits than its factorization.

22530099072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269 (or 8257 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 22530099072 in words is "twenty-two billion, five hundred thirty million, ninety-nine thousand, seventy-two".