225101285 has 16 divisors (see below), whose sum is σ = 275434752. Its totient is φ = 176558400.

The previous prime is 225101273. The next prime is 225101293. The reversal of 225101285 is 582101522.

It is not a de Polignac number, because 225101285 - 2¹² = 225097189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110930 + ... + 112940.

It is an arithmetic number, because the mean of its divisors is an integer number (17214672).

Almost surely, 2^225101285 is an apocalyptic number.

It is an amenable number.

225101285 is a deficient number, since it is larger than the sum of its proper divisors (50333467).

225101285 is a wasteful number, since it uses less digits than its factorization.

225101285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 225101285 is about 15003.3757868021. The cubic root of 225101285 is about 608.3114504336.

The spelling of 225101285 in words is "two hundred twenty-five million, one hundred one thousand, two hundred eighty-five".