22502153230340 has 192 divisors, whose sum is σ = 54799658016768. Its totient is φ = 7602341184000.

The previous prime is 22502153230331. The next prime is 22502153230393. The reversal of 22502153230340 is 4303235120522.

It is a junction number, because it is equal to n+sod(n) for n = 22502153230297 and 22502153230306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2714041595 + ... + 2714049885.

It is an arithmetic number, because the mean of its divisors is an integer number (285414885504).

Almost surely, 2^{22502153230340} is an apocalyptic number.

22502153230340 is a gapful number since it is divisible by the number (20) 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 22502153230340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27399829008384).

22502153230340 is an abundant number, since it is smaller than the sum of its proper divisors (32297504786428).

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

22502153230340 is a wasteful number, since it uses less digits than its factorization.

22502153230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9298 (or 9296 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 22502153230340 its reverse (4303235120522), we get a palindrome (26805388350862).

The spelling of 22502153230340 in words is "twenty-two trillion, five hundred two billion, one hundred fifty-three million, two hundred thirty thousand, three hundred forty".