22113220332 has 48 divisors (see below), whose sum is σ = 58978402560. Its totient is φ = 6317011392.

The previous prime is 22113220301. The next prime is 22113220333. The reversal of 22113220332 is 23302231122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 22113220299 and 22113220308.

It is not an unprimeable number, because it can be changed into a prime (22113220333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585394 + ... + 622022.

It is an arithmetic number, because the mean of its divisors is an integer number (1228716720).

Almost surely, 2^22113220332 is an apocalyptic number.

It is an amenable number.

22113220332 is an abundant number, since it is smaller than the sum of its proper divisors (36865182228).

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

22113220332 is a wasteful number, since it uses less digits than its factorization.

22113220332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43830 (or 43828 counting only the distinct ones).

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

Adding to 22113220332 its reverse (23302231122), we get a palindrome (45415451454).

The spelling of 22113220332 in words is "twenty-two billion, one hundred thirteen million, two hundred twenty thousand, three hundred thirty-two".