225055198 has 4 divisors (see below), whose sum is σ = 337582800. Its totient is φ = 112527598.

The previous prime is 225055183. The next prime is 225055217. The reversal of 225055198 is 891550522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 891550522 = 2 ⋅445775261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56263798 + ... + 56263801.

It is an arithmetic number, because the mean of its divisors is an integer number (84395700).

Almost surely, 2^225055198 is an apocalyptic number.

225055198 is a deficient number, since it is larger than the sum of its proper divisors (112527602).

225055198 is a wasteful number, since it uses less digits than its factorization.

225055198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112527601.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 225055198 is about 15001.8398205020. The cubic root of 225055198 is about 608.2699325848.

The spelling of 225055198 in words is "two hundred twenty-five million, fifty-five thousand, one hundred ninety-eight".