225230401 has 4 divisors (see below), whose sum is σ = 245705904. Its totient is φ = 204754900.

The previous prime is 225230387. The next prime is 225230419. The reversal of 225230401 is 104032522.

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 225230401 - 2⁷ = 225230273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225230441) 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, 10237735 + ... + 10237756.

It is an arithmetic number, because the mean of its divisors is an integer number (61426476).

Almost surely, 2^225230401 is an apocalyptic number.

It is an amenable number.

225230401 is a deficient number, since it is larger than the sum of its proper divisors (20475503).

225230401 is a wasteful number, since it uses less digits than its factorization.

225230401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20475502.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 225230401 is about 15007.6780682423. The cubic root of 225230401 is about 608.4277354634.

Adding to 225230401 its reverse (104032522), we get a palindrome (329262923).

The spelling of 225230401 in words is "two hundred twenty-five million, two hundred thirty thousand, four hundred one".