22221210232532 has 96 divisors (see below), whose sum is σ = 40910889801600. Its totient is φ = 10547037949952.

The previous prime is 22221210232519. The next prime is 22221210232553. The reversal of 22221210232532 is 23523201212222.

It is a super-2 number, since 2×22221210232532² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 22221210232495 and 22221210232504.

It is a congruent number.

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, 2907389903 + ... + 2907397545.

It is an arithmetic number, because the mean of its divisors is an integer number (426155102100).

Almost surely, 2^{22221210232532} is an apocalyptic number.

It is an amenable number.

22221210232532 is a deficient number, since it is larger than the sum of its proper divisors (18689679569068).

22221210232532 is a wasteful number, since it uses less digits than its factorization.

22221210232532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9545 (or 9543 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 22221210232532 its reverse (23523201212222), we get a palindrome (45744411444754).

The spelling of 22221210232532 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred ten million, two hundred thirty-two thousand, five hundred thirty-two".