225275990 has 8 divisors (see below), whose sum is σ = 405496800. Its totient is φ = 90110392.

The previous prime is 225275987. The next prime is 225276019. The reversal of 225275990 is 99572522.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11263790 + ... + 11263809.

It is an arithmetic number, because the mean of its divisors is an integer number (50687100).

Almost surely, 2^225275990 is an apocalyptic number.

225275990 is a deficient number, since it is larger than the sum of its proper divisors (180220810).

225275990 is a wasteful number, since it uses less digits than its factorization.

225275990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22527606.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 225275990 is about 15009.1968472667. The cubic root of 225275990 is about 608.4687834165.

The spelling of 225275990 in words is "two hundred twenty-five million, two hundred seventy-five thousand, nine hundred ninety".