228149196 has 24 divisors (see below), whose sum is σ = 580743744. Its totient is φ = 69136080.

The previous prime is 228149191. The next prime is 228149237. The reversal of 228149196 is 691941822.

It is not an unprimeable number, because it can be changed into a prime (228149191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864070 + ... + 864333.

It is an arithmetic number, because the mean of its divisors is an integer number (24197656).

Almost surely, 2^228149196 is an apocalyptic number.

It is an amenable number.

228149196 is an abundant number, since it is smaller than the sum of its proper divisors (352594548).

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

228149196 is a wasteful number, since it uses less digits than its factorization.

228149196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728421 (or 1728419 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 228149196 is about 15104.6084358384. The cubic root of 228149196 is about 611.0446990995.

The spelling of 228149196 in words is "two hundred twenty-eight million, one hundred forty-nine thousand, one hundred ninety-six".