22155303324 has 192 divisors, whose sum is σ = 70034227200. Its totient is φ = 5275756800.

The previous prime is 22155303319. The next prime is 22155303341. The reversal of 22155303324 is 42330355122.

It is a junction number, because it is equal to n+sod(n) for n = 22155303291 and 22155303300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 523882 + ... + 564590.

It is an arithmetic number, because the mean of its divisors is an integer number (364761600).

Almost surely, 2^22155303324 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 22155303324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35017113600).

22155303324 is an abundant number, since it is smaller than the sum of its proper divisors (47878923876).

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

22155303324 is a wasteful number, since it uses less digits than its factorization.

22155303324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40784 (or 40782 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 22155303324 its reverse (42330355122), we get a palindrome (64485658446).

The spelling of 22155303324 in words is "twenty-two billion, one hundred fifty-five million, three hundred three thousand, three hundred twenty-four".