22732 has 6 divisors (see below), whose sum is σ = 39788. Its totient is φ = 11364.

The previous prime is 22727. The next prime is 22739. The reversal of 22732 is 23722.

It is a happy number.

It is a d-powerful number, because it can be written as 2⁴ + 2¹² + 7² + 3⁷ + 2¹⁴ .

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (22739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2838 + ... + 2845.

2²²⁷³² is an apocalyptic number.

It is an amenable number.

22732 is a deficient number, since it is larger than the sum of its proper divisors (17056).

22732 is a wasteful number, since it uses less digits than its factorization.

22732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687 (or 5685 counting only the distinct ones).

The product of its digits is 168, while the sum is 16.

The square root of 22732 is about 150.7713500636. The cubic root of 22732 is about 28.3277805343.

Subtracting 22732 from its reverse (23722), we obtain a triangular number (990 = T₄₄).

The spelling of 22732 in words is "twenty-two thousand, seven hundred thirty-two".