22002332232 has 64 divisors (see below), whose sum is σ = 56098759680. Its totient is φ = 7188659712.

The previous prime is 22002332227. The next prime is 22002332237. The reversal of 22002332232 is 23223320022.

It is an interprime number because it is at equal distance from previous prime (22002332227) and next prime (22002332237).

It is a super-2 number, since 2×22002332232² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22002332199 and 22002332208.

It is not an unprimeable number, because it can be changed into a prime (22002332237) 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 15 ways as a sum of consecutive naturals, for example, 1374708 + ... + 1390620.

It is an arithmetic number, because the mean of its divisors is an integer number (876543120).

Almost surely, 2^22002332232 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 22002332232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28049379840).

22002332232 is an abundant number, since it is smaller than the sum of its proper divisors (34096427448).

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

22002332232 is a wasteful number, since it uses less digits than its factorization.

22002332232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17062 (or 17058 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 22002332232 its reverse (23223320022), we get a palindrome (45225652254).

The spelling of 22002332232 in words is "twenty-two billion, two million, three hundred thirty-two thousand, two hundred thirty-two".