222443121132 has 60 divisors (see below), whose sum is σ = 588516476856. Its totient is φ = 73254352320.

The previous prime is 222443121119. The next prime is 222443121133. The reversal of 222443121132 is 231121344222.

222443121132 is a `hidden beast` number, since 2 + 2 + 2 + 443 + 1 + 211 + 3 + 2 = 666.

It is a super-2 number, since 2×222443121132² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 = 222443121096 and 222443121105.

It is not an unprimeable number, because it can be changed into a prime (222443121133) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4108969 + ... + 4162752.

Almost surely, 2^222443121132 is an apocalyptic number.

It is an amenable number.

222443121132 is an abundant number, since it is smaller than the sum of its proper divisors (366073355724).

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

222443121132 is a wasteful number, since it uses less digits than its factorization.

222443121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271820 (or 8271809 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 222443121132 its reverse (231121344222), we get a palindrome (453564465354).

The spelling of 222443121132 in words is "two hundred twenty-two billion, four hundred forty-three million, one hundred twenty-one thousand, one hundred thirty-two".