22330500 has 48 divisors (see below), whose sum is σ = 65030784. Its totient is φ = 5954400.

The previous prime is 22330463. The next prime is 22330519. The reversal of 22330500 is 503322.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22330500.

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 15 ways as a sum of consecutive naturals, for example, 5944 + ... + 8943.

It is an arithmetic number, because the mean of its divisors is an integer number (1354808).

Almost surely, 2^22330500 is an apocalyptic number.

22330500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22330500 is an abundant number, since it is smaller than the sum of its proper divisors (42700284).

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

22330500 is a wasteful number, since it uses less digits than its factorization.

22330500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14909 (or 14897 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 22330500 is about 4725.5158448576. The cubic root of 22330500 is about 281.6001072066.

Adding to 22330500 its reverse (503322), we get a palindrome (22833822).

The spelling of 22330500 in words is "twenty-two million, three hundred thirty thousand, five hundred".