22103223132 has 96 divisors (see below), whose sum is σ = 56761931520. Its totient is φ = 6663121920.

The previous prime is 22103223101. The next prime is 22103223137. The reversal of 22103223132 is 23132230122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22103223099 and 22103223108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103223137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1239423 + ... + 1257129.

It is an arithmetic number, because the mean of its divisors is an integer number (591270120).

Almost surely, 2^22103223132 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 22103223132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28380965760).

22103223132 is an abundant number, since it is smaller than the sum of its proper divisors (34658708388).

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

22103223132 is a wasteful number, since it uses less digits than its factorization.

22103223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17971 (or 17969 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22103223132 its reverse (23132230122), we get a palindrome (45235453254).

The spelling of 22103223132 in words is "twenty-two billion, one hundred three million, two hundred twenty-three thousand, one hundred thirty-two".