22225275 has 18 divisors (see below), whose sum is σ = 39808340. Its totient is φ = 11853360.

The previous prime is 22225211. The next prime is 22225277. The reversal of 22225275 is 57252222.

It is not a de Polignac number, because 22225275 - 2⁶ = 22225211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22225277) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 49165 + ... + 49614.

Almost surely, 2^22225275 is an apocalyptic number.

22225275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22225275 is a deficient number, since it is larger than the sum of its proper divisors (17583065).

22225275 is a wasteful number, since it uses less digits than its factorization.

22225275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98795 (or 98787 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 22225275 is about 4714.3689927709. The cubic root of 22225275 is about 281.1570952403.

Adding to 22225275 its reverse (57252222), we get a palindrome (79477497).

It can be divided in two parts, 22225 and 275, that added together give a square (22500 = 150²).

The spelling of 22225275 in words is "twenty-two million, two hundred twenty-five thousand, two hundred seventy-five".