225447343 has 4 divisors (see below), whose sum is σ = 245942568. Its totient is φ = 204952120.

The previous prime is 225447289. The next prime is 225447349. The reversal of 225447343 is 343744522.

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 225447343 - 2⁹ = 225446831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225447299 and 225447308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225447349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10247596 + ... + 10247617.

It is an arithmetic number, because the mean of its divisors is an integer number (61485642).

Almost surely, 2^225447343 is an apocalyptic number.

225447343 is a deficient number, since it is larger than the sum of its proper divisors (20495225).

225447343 is a wasteful number, since it uses less digits than its factorization.

225447343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20495224.

The product of its digits is 80640, while the sum is 34.

The square root of 225447343 is about 15014.9040289973. The cubic root of 225447343 is about 608.6230187128.

The spelling of 225447343 in words is "two hundred twenty-five million, four hundred forty-seven thousand, three hundred forty-three".