225270605 has 32 divisors (see below), whose sum is σ = 318608640. Its totient is φ = 149690880.

The previous prime is 225270601. The next prime is 225270623. The reversal of 225270605 is 506072522.

It is not a de Polignac number, because 225270605 - 2² = 225270601 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225270601) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 256427 + ... + 257303.

It is an arithmetic number, because the mean of its divisors is an integer number (9956520).

Almost surely, 2^225270605 is an apocalyptic number.

It is an amenable number.

225270605 is a deficient number, since it is larger than the sum of its proper divisors (93338035).

225270605 is a wasteful number, since it uses less digits than its factorization.

225270605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 225270605 is about 15009.0174561828. The cubic root of 225270605 is about 608.4639350961.

The spelling of 225270605 in words is "two hundred twenty-five million, two hundred seventy thousand, six hundred five".