225743241 has 4 divisors (see below), whose sum is σ = 300990992. Its totient is φ = 150495492.

The previous prime is 225743233. The next prime is 225743267. The reversal of 225743241 is 142347522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 225743241 - 2³ = 225743233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225743199 and 225743208.

It is not an unprimeable number, because it can be changed into a prime (225743201) 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, 37623871 + ... + 37623876.

It is an arithmetic number, because the mean of its divisors is an integer number (75247748).

Almost surely, 2^225743241 is an apocalyptic number.

It is an amenable number.

225743241 is a deficient number, since it is larger than the sum of its proper divisors (75247751).

225743241 is an equidigital number, since it uses as much as digits as its factorization.

225743241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75247750.

The product of its digits is 13440, while the sum is 30.

The square root of 225743241 is about 15024.7542741970. The cubic root of 225743241 is about 608.8891734017.

The spelling of 225743241 in words is "two hundred twenty-five million, seven hundred forty-three thousand, two hundred forty-one".