225400255 has 8 divisors (see below), whose sum is σ = 275584032. Its totient is φ = 176917728.

The previous prime is 225400223. The next prime is 225400271. The reversal of 225400255 is 552004522.

It is a happy number.

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 225400255 - 2⁵ = 225400223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425019 + ... + 425548.

It is an arithmetic number, because the mean of its divisors is an integer number (34448004).

Almost surely, 2^225400255 is an apocalyptic number.

225400255 is a deficient number, since it is larger than the sum of its proper divisors (50183777).

225400255 is an equidigital number, since it uses as much as digits as its factorization.

225400255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850625.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 225400255 is about 15013.3359051212. The cubic root of 225400255 is about 608.5806424668.

Adding to 225400255 its reverse (552004522), we get a palindrome (777404777).

The spelling of 225400255 in words is "two hundred twenty-five million, four hundred thousand, two hundred fifty-five".