228912196 has 12 divisors (see below), whose sum is σ = 414410220. Its totient is φ = 110509280.

The previous prime is 228912179. The next prime is 228912239. The reversal of 228912196 is 691219822.

It can be written as a sum of positive squares in 2 ways, for example, as 98724096 + 130188100 = 9936^2 + 11410^2 .

It is a super-3 number, since 3×228912196³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986575 + ... + 986806.

It is an arithmetic number, because the mean of its divisors is an integer number (34534185).

Almost surely, 2^228912196 is an apocalyptic number.

It is an amenable number.

228912196 is a deficient number, since it is larger than the sum of its proper divisors (185498024).

228912196 is a wasteful number, since it uses less digits than its factorization.

228912196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973414 (or 1973412 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The square root of 228912196 is about 15129.8445464585. The cubic root of 228912196 is about 611.7251139949.

The spelling of 228912196 in words is "two hundred twenty-eight million, nine hundred twelve thousand, one hundred ninety-six".