22305250 has 32 divisors (see below), whose sum is σ = 45556992. Its totient is φ = 8110000.

The previous prime is 22305187. The next prime is 22305251. The reversal of 22305250 is 5250322.

It is not an unprimeable number, because it can be changed into a prime (22305251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306 + ... + 6805.

It is an arithmetic number, because the mean of its divisors is an integer number (1423656).

Almost surely, 2^22305250 is an apocalyptic number.

22305250 is an abundant number, since it is smaller than the sum of its proper divisors (23251742).

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

22305250 is a wasteful number, since it uses less digits than its factorization.

22305250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8139 (or 8129 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 22305250 is about 4722.8434231933. The cubic root of 22305250 is about 281.4939282974.

Adding to 22305250 its reverse (5250322), we get a palindrome (27555572).

The spelling of 22305250 in words is "twenty-two million, three hundred five thousand, two hundred fifty".