225144254 has 8 divisors (see below), whose sum is σ = 342757128. Its totient is φ = 110891880.

The previous prime is 225144221. The next prime is 225144307. The reversal of 225144254 is 452441522.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839957 + ... + 840224.

It is an arithmetic number, because the mean of its divisors is an integer number (42844641).

Almost surely, 2^225144254 is an apocalyptic number.

225144254 is a deficient number, since it is larger than the sum of its proper divisors (117612874).

225144254 is a wasteful number, since it uses less digits than its factorization.

225144254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680250.

The product of its digits is 12800, while the sum is 29.

The square root of 225144254 is about 15004.8076962019. The cubic root of 225144254 is about 608.3501543023.

Adding to 225144254 its reverse (452441522), we get a palindrome (677585776).

The spelling of 225144254 in words is "two hundred twenty-five million, one hundred forty-four thousand, two hundred fifty-four".