22333213332 has 18 divisors (see below), whose sum is σ = 56453400458. Its totient is φ = 7444404432.

The previous prime is 22333213319. The next prime is 22333213351. The reversal of 22333213332 is 23331233322.

22333213332 is a `hidden beast` number, since 2 + 2 + 3 + 3 + 321 + 3 + 332 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19688579856 + 2644633476 = 140316^2 + 51426^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 = 22333213296 and 22333213305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 310183483 + ... + 310183554.

Almost surely, 2^22333213332 is an apocalyptic number.

It is an amenable number.

22333213332 is an abundant number, since it is smaller than the sum of its proper divisors (34120187126).

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

22333213332 is a wasteful number, since it uses less digits than its factorization.

22333213332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620367047 (or 620367042 counting only the distinct ones).

The product of its digits is 11664, while the sum is 27.

Adding to 22333213332 its reverse (23331233322), we get a palindrome (45664446654).

The spelling of 22333213332 in words is "twenty-two billion, three hundred thirty-three million, two hundred thirteen thousand, three hundred thirty-two".