22132302330 has 64 divisors (see below), whose sum is σ = 54297226368. Its totient is φ = 5771600640.

The previous prime is 22132302317. The next prime is 22132302473. The reversal of 22132302330 is 3320323122.

It is a junction number, because it is equal to n+sod(n) for n = 22132302297 and 22132302306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465460 + ... + 510800.

It is an arithmetic number, because the mean of its divisors is an integer number (848394162).

Almost surely, 2^22132302330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22132302330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27148613184).

22132302330 is an abundant number, since it is smaller than the sum of its proper divisors (32164924038).

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

22132302330 is a wasteful number, since it uses less digits than its factorization.

22132302330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45711.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 22132302330 its reverse (3320323122), we get a palindrome (25452625452).

The spelling of 22132302330 in words is "twenty-two billion, one hundred thirty-two million, three hundred two thousand, three hundred thirty".