22006532 has 12 divisors (see below), whose sum is σ = 38685696. Its totient is φ = 10953480.

The previous prime is 22006531. The next prime is 22006571. The reversal of 22006532 is 23560022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22006531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11444 + ... + 13227.

It is an arithmetic number, because the mean of its divisors is an integer number (3223808).

Almost surely, 2^22006532 is an apocalyptic number.

It is an amenable number.

22006532 is a deficient number, since it is larger than the sum of its proper divisors (16679164).

22006532 is a wasteful number, since it uses less digits than its factorization.

22006532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24898 (or 24896 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 22006532 is about 4691.1120216853. The cubic root of 22006532 is about 280.2316620197.

Adding to 22006532 its reverse (23560022), we get a palindrome (45566554).

The spelling of 22006532 in words is "twenty-two million, six thousand, five hundred thirty-two".