22111453532 has 24 divisors (see below), whose sum is σ = 44259134976. Its totient is φ = 9468574128.

The previous prime is 22111453531. The next prime is 22111453571. The reversal of 22111453532 is 23535411122.

It is a junction number, because it is equal to n+sod(n) for n = 22111453495 and 22111453504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111453531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288608 + ... + 357095.

It is an arithmetic number, because the mean of its divisors is an integer number (1844130624).

Almost surely, 2^22111453532 is an apocalyptic number.

It is an amenable number.

22111453532 is an abundant number, since it is smaller than the sum of its proper divisors (22147681444).

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

22111453532 is a wasteful number, since it uses less digits than its factorization.

22111453532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646937 (or 646935 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

Adding to 22111453532 its reverse (23535411122), we get a palindrome (45646864654).

The spelling of 22111453532 in words is "twenty-two billion, one hundred eleven million, four hundred fifty-three thousand, five hundred thirty-two".