225454915 has 8 divisors (see below), whose sum is σ = 309195360. Its totient is φ = 154597632.

The previous prime is 225454913. The next prime is 225454921. The reversal of 225454915 is 519454522.

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

It is not a de Polignac number, because 225454915 - 2¹ = 225454913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225454913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3220750 + ... + 3220819.

It is an arithmetic number, because the mean of its divisors is an integer number (38649420).

Almost surely, 2^225454915 is an apocalyptic number.

225454915 is a deficient number, since it is larger than the sum of its proper divisors (83740445).

225454915 is an equidigital number, since it uses as much as digits as its factorization.

225454915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6441581.

The product of its digits is 72000, while the sum is 37.

The square root of 225454915 is about 15015.1561763440. The cubic root of 225454915 is about 608.6298324871.

The spelling of 225454915 in words is "two hundred twenty-five million, four hundred fifty-four thousand, nine hundred fifteen".