225399241 has 4 divisors (see below), whose sum is σ = 235199232. Its totient is φ = 215599252.

The previous prime is 225399221. The next prime is 225399269. The reversal of 225399241 is 142993522.

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 a cyclic number.

It is not a de Polignac number, because 225399241 - 2¹⁵ = 225366473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225399241.

It is not an unprimeable number, because it can be changed into a prime (225399211) 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, 4899961 + ... + 4900006.

It is an arithmetic number, because the mean of its divisors is an integer number (58799808).

Almost surely, 2^225399241 is an apocalyptic number.

It is an amenable number.

225399241 is a deficient number, since it is larger than the sum of its proper divisors (9799991).

225399241 is an equidigital number, since it uses as much as digits as its factorization.

225399241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9799990.

The product of its digits is 38880, while the sum is 37.

The square root of 225399241 is about 15013.3021351067. The cubic root of 225399241 is about 608.5797298655.

The spelling of 225399241 in words is "two hundred twenty-five million, three hundred ninety-nine thousand, two hundred forty-one".