225955090 has 8 divisors (see below), whose sum is σ = 406719180. Its totient is φ = 90382032.

The previous prime is 225955061. The next prime is 225955111. The reversal of 225955090 is 90559522.

It can be written as a sum of positive squares in 2 ways, for example, as 198612649 + 27342441 = 14093^2 + 5229^2 .

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

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, 11297745 + ... + 11297764.

Almost surely, 2^225955090 is an apocalyptic number.

225955090 is a deficient number, since it is larger than the sum of its proper divisors (180764090).

225955090 is a wasteful number, since it uses less digits than its factorization.

225955090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22595516.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 225955090 is about 15031.8026197792. The cubic root of 225955090 is about 609.0795847615.

The spelling of 225955090 in words is "two hundred twenty-five million, nine hundred fifty-five thousand, ninety".