227790198 has 32 divisors (see below), whose sum is σ = 506719200. Its totient is φ = 75852288.

The previous prime is 227790181. The next prime is 227790203. The reversal of 227790198 is 891097722.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 78990 + ... + 81822.

It is an arithmetic number, because the mean of its divisors is an integer number (15834975).

Almost surely, 2^227790198 is an apocalyptic number.

227790198 is an abundant number, since it is smaller than the sum of its proper divisors (278929002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227790198 is a wasteful number, since it uses less digits than its factorization.

227790198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333 (or 4327 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 227790198 is about 15092.7200331816. The cubic root of 227790198 is about 610.7240332261.

The spelling of 227790198 in words is "two hundred twenty-seven million, seven hundred ninety thousand, one hundred ninety-eight".