22550232 has 32 divisors (see below), whose sum is σ = 57689280. Its totient is φ = 7341600.

The previous prime is 22550219. The next prime is 22550243. The reversal of 22550232 is 23205522.

It is a junction number, because it is equal to n+sod(n) for n = 22550199 and 22550208.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9894 + ... + 11957.

It is an arithmetic number, because the mean of its divisors is an integer number (1802790).

Almost surely, 2^22550232 is an apocalyptic number.

It is an amenable number.

22550232 is an abundant number, since it is smaller than the sum of its proper divisors (35139048).

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

22550232 is a wasteful number, since it uses less digits than its factorization.

22550232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21903 (or 21899 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 22550232 is about 4748.7084559910. The cubic root of 22550232 is about 282.5207419443.

Adding to 22550232 its reverse (23205522), we get a palindrome (45755754).

The spelling of 22550232 in words is "twenty-two million, five hundred fifty thousand, two hundred thirty-two".