225444153 has 16 divisors (see below), whose sum is σ = 330826176. Its totient is φ = 135421440.

The previous prime is 225444127. The next prime is 225444161. The reversal of 225444153 is 351444522.

It is not a de Polignac number, because 225444153 - 2⁹ = 225443641 is a prime.

It is a super-2 number, since 2×225444153² = 101650132243774818, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225444153.

It is not an unprimeable number, because it can be changed into a prime (225444103) 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 15 ways as a sum of consecutive naturals, for example, 26500 + ... + 33957.

It is an arithmetic number, because the mean of its divisors is an integer number (20676636).

Almost surely, 2^225444153 is an apocalyptic number.

It is an amenable number.

225444153 is a deficient number, since it is larger than the sum of its proper divisors (105382023).

225444153 is a wasteful number, since it uses less digits than its factorization.

225444153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60584.

The product of its digits is 19200, while the sum is 30.

The square root of 225444153 is about 15014.7978008363. The cubic root of 225444153 is about 608.6201480993.

Adding to 225444153 its reverse (351444522), we get a palindrome (576888675).

The spelling of 225444153 in words is "two hundred twenty-five million, four hundred forty-four thousand, one hundred fifty-three".