22306532 has 12 divisors (see below), whose sum is σ = 41091120. Its totient is φ = 10566216.

The previous prime is 22306517. The next prime is 22306547. The reversal of 22306532 is 23560322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22306517) and next prime (22306547).

It is a junction number, because it is equal to n+sod(n) for n = 22306498 and 22306507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146678 + ... + 146829.

It is an arithmetic number, because the mean of its divisors is an integer number (3424260).

Almost surely, 2^22306532 is an apocalyptic number.

It is an amenable number.

22306532 is a deficient number, since it is larger than the sum of its proper divisors (18784588).

22306532 is a wasteful number, since it uses less digits than its factorization.

22306532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293530 (or 293528 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 22306532 is about 4722.9791445654. The cubic root of 22306532 is about 281.4993211728.

Adding to 22306532 its reverse (23560322), we get a palindrome (45866854).

The spelling of 22306532 in words is "twenty-two million, three hundred six thousand, five hundred thirty-two".