225480385 has 32 divisors (see below), whose sum is σ = 310625280. Its totient is φ = 155831808.

The previous prime is 225480341. The next prime is 225480389. The reversal of 225480385 is 583084522.

225480385 = T₂₅ + T₂₆ + ... + T₁₁₀₅.

It is not a de Polignac number, because 225480385 - 2⁹ = 225479873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225480389) 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 31 ways as a sum of consecutive naturals, for example, 68661 + ... + 71869.

It is an arithmetic number, because the mean of its divisors is an integer number (9707040).

Almost surely, 2^225480385 is an apocalyptic number.

It is an amenable number.

225480385 is a deficient number, since it is larger than the sum of its proper divisors (85144895).

225480385 is a wasteful number, since it uses less digits than its factorization.

225480385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 225480385 is about 15016.0042954176. The cubic root of 225480385 is about 608.6527509171.

The spelling of 225480385 in words is "two hundred twenty-five million, four hundred eighty thousand, three hundred eighty-five".