22120332532 has 24 divisors (see below), whose sum is σ = 40865459040. Its totient is φ = 10447843680.

The previous prime is 22120332529. The next prime is 22120332541. The reversal of 22120332532 is 23523302122.

It is a super-2 number, since 2×22120332532² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22120332497 and 22120332506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393019 + ... + 445762.

It is an arithmetic number, because the mean of its divisors is an integer number (1702727460).

Almost surely, 2^22120332532 is an apocalyptic number.

It is an amenable number.

22120332532 is a deficient number, since it is larger than the sum of its proper divisors (18745126508).

22120332532 is a wasteful number, since it uses less digits than its factorization.

22120332532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839151 (or 839149 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 22120332532 its reverse (23523302122), we get a palindrome (45643634654).

The spelling of 22120332532 in words is "twenty-two billion, one hundred twenty million, three hundred thirty-two thousand, five hundred thirty-two".