22225125 has 64 divisors (see below), whose sum is σ = 41094144. Its totient is φ = 10598400.

The previous prime is 22225111. The next prime is 22225129. The reversal of 22225125 is 52152222.

It is not a de Polignac number, because 22225125 - 2¹² = 22221029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22225129) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 229077 + ... + 229173.

It is an arithmetic number, because the mean of its divisors is an integer number (642096).

Almost surely, 2^22225125 is an apocalyptic number.

22225125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22225125 is a deficient number, since it is larger than the sum of its proper divisors (18869019).

22225125 is a wasteful number, since it uses less digits than its factorization.

22225125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 165 counting only the distinct ones).

The product of its digits is 800, while the sum is 21.

The square root of 22225125 is about 4714.3530839342. The cubic root of 22225125 is about 281.1564627223.

Adding to 22225125 its reverse (52152222), we get a palindrome (74377347).

The spelling of 22225125 in words is "twenty-two million, two hundred twenty-five thousand, one hundred twenty-five".