22232325552 has 160 divisors (see below), whose sum is σ = 63535933440. Its totient is φ = 6667898880.

The previous prime is 22232325551. The next prime is 22232325559. The reversal of 22232325552 is 25552323222.

It is a super-2 number, since 2×22232325552² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22232325551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2094274 + ... + 2104862.

It is an arithmetic number, because the mean of its divisors is an integer number (397099584).

Almost surely, 2^22232325552 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 22232325552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31767966720).

22232325552 is an abundant number, since it is smaller than the sum of its proper divisors (41303607888).

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

22232325552 is a wasteful number, since it uses less digits than its factorization.

22232325552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10731 (or 10725 counting only the distinct ones).

The product of its digits is 72000, while the sum is 33.

Adding to 22232325552 its reverse (25552323222), we get a palindrome (47784648774).

The spelling of 22232325552 in words is "twenty-two billion, two hundred thirty-two million, three hundred twenty-five thousand, five hundred fifty-two".