225005441 has 4 divisors (see below), whose sum is σ = 225120000. Its totient is φ = 224890884.

The previous prime is 225005413. The next prime is 225005483. The reversal of 225005441 is 144500522.

It is a happy number.

225005441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 144500522 = 2 ⋅72250261.

It is a cyclic number.

It is not a de Polignac number, because 225005441 - 2¹⁴ = 224989057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225005401) 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, 54281 + ... + 58278.

It is an arithmetic number, because the mean of its divisors is an integer number (56280000).

Almost surely, 2^225005441 is an apocalyptic number.

It is an amenable number.

225005441 is a deficient number, since it is larger than the sum of its proper divisors (114559).

225005441 is a wasteful number, since it uses less digits than its factorization.

225005441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114558.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 225005441 is about 15000.1813655702. The cubic root of 225005441 is about 608.2251022232.

Adding to 225005441 its reverse (144500522), we get a palindrome (369505963).

The spelling of 225005441 in words is "two hundred twenty-five million, five thousand, four hundred forty-one".