22248575 has 18 divisors (see below), whose sum is σ = 28138824. Its totient is φ = 17449920.

The previous prime is 22248571. The next prime is 22248593. The reversal of 22248575 is 57584222.

It is not a de Polignac number, because 22248575 - 2² = 22248571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22248571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 133142 + ... + 133308.

It is an arithmetic number, because the mean of its divisors is an integer number (1563268).

Almost surely, 2^22248575 is an apocalyptic number.

22248575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22248575 is a deficient number, since it is larger than the sum of its proper divisors (5890249).

22248575 is an equidigital number, since it uses as much as digits as its factorization.

22248575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 245 counting only the distinct ones).

The product of its digits is 44800, while the sum is 35.

The square root of 22248575 is about 4716.8395139118. The cubic root of 22248575 is about 281.2553118338.

The spelling of 22248575 in words is "twenty-two million, two hundred forty-eight thousand, five hundred seventy-five".