225446543 has 4 divisors (see below), whose sum is σ = 257653200. Its totient is φ = 193239888.

The previous prime is 225446521. The next prime is 225446561. The reversal of 225446543 is 345644522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225446543 - 2¹⁶ = 225381007 is a prime.

It is a super-2 number, since 2×225446543² = 101652287501301698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225446563) 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 3 ways as a sum of consecutive naturals, for example, 16103318 + ... + 16103331.

It is an arithmetic number, because the mean of its divisors is an integer number (64413300).

Almost surely, 2^225446543 is an apocalyptic number.

225446543 is a deficient number, since it is larger than the sum of its proper divisors (32206657).

225446543 is an equidigital number, since it uses as much as digits as its factorization.

225446543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32206656.

The product of its digits is 115200, while the sum is 35.

The square root of 225446543 is about 15014.8773887768. The cubic root of 225446543 is about 608.6222988123.

The spelling of 225446543 in words is "two hundred twenty-five million, four hundred forty-six thousand, five hundred forty-three".