22221231132 has 36 divisors (see below), whose sum is σ = 54201896840. Its totient is φ = 7085028192.

The previous prime is 22221231113. The next prime is 22221231143. The reversal of 22221231132 is 23113212222.

It is a super-2 number, since 2×22221231132² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22221231099 and 22221231108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1743907 + ... + 1756602.

Almost surely, 2^22221231132 is an apocalyptic number.

It is an amenable number.

22221231132 is an abundant number, since it is smaller than the sum of its proper divisors (31980665708).

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

22221231132 is a wasteful number, since it uses less digits than its factorization.

22221231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500562 (or 3500537 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

Adding to 22221231132 its reverse (23113212222), we get a palindrome (45334443354).

The spelling of 22221231132 in words is "twenty-two billion, two hundred twenty-one million, two hundred thirty-one thousand, one hundred thirty-two".