225210443 has 8 divisors (see below), whose sum is σ = 232698240. Its totient is φ = 217736640.

The previous prime is 225210437. The next prime is 225210449. The reversal of 225210443 is 344012522.

It is a happy number.

225210443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225210437) and next prime (225210449).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225210443 - 2¹⁴ = 225194059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225210449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36743 + ... + 42431.

It is an arithmetic number, because the mean of its divisors is an integer number (29087280).

Almost surely, 2^225210443 is an apocalyptic number.

225210443 is a deficient number, since it is larger than the sum of its proper divisors (7487797).

225210443 is a wasteful number, since it uses less digits than its factorization.

225210443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 225210443 is about 15007.0131272016. The cubic root of 225210443 is about 608.4097637044.

Adding to 225210443 its reverse (344012522), we get a palindrome (569222965).

The spelling of 225210443 in words is "two hundred twenty-five million, two hundred ten thousand, four hundred forty-three".