22663332 has 18 divisors (see below), whose sum is σ = 57287958. Its totient is φ = 7554432.

The previous prime is 22663331. The next prime is 22663337. The reversal of 22663332 is 23336622.

22663332 is a `hidden beast` number, since 2 + 26 + 633 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20304036 + 2359296 = 4506^2 + 1536^2 .

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 = 22663296 and 22663305.

It is not an unprimeable number, because it can be changed into a prime (22663331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 314733 + ... + 314804.

Almost surely, 2^22663332 is an apocalyptic number.

It is an amenable number.

22663332 is an abundant number, since it is smaller than the sum of its proper divisors (34624626).

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

22663332 is a wasteful number, since it uses less digits than its factorization.

22663332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629547 (or 629542 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 22663332 is about 4760.6020627648. The cubic root of 22663332 is about 282.9922792118.

Adding to 22663332 its reverse (23336622), we get a palindrome (45999954).

The spelling of 22663332 in words is "twenty-two million, six hundred sixty-three thousand, three hundred thirty-two".