225154905 has 8 divisors (see below), whose sum is σ = 360247872. Its totient is φ = 120082608.

The previous prime is 225154859. The next prime is 225154913. The reversal of 225154905 is 509451522.

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

It is not a de Polignac number, because 225154905 - 2¹⁴ = 225138521 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7505149 + ... + 7505178.

It is an arithmetic number, because the mean of its divisors is an integer number (45030984).

Almost surely, 2^225154905 is an apocalyptic number.

It is an amenable number.

225154905 is a deficient number, since it is larger than the sum of its proper divisors (135092967).

225154905 is a wasteful number, since it uses less digits than its factorization.

225154905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15010335.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 225154905 is about 15005.1626115814. The cubic root of 225154905 is about 608.3597473154.

The spelling of 225154905 in words is "two hundred twenty-five million, one hundred fifty-four thousand, nine hundred five".