228099156 has 12 divisors (see below), whose sum is σ = 532231392. Its totient is φ = 76033048.

The previous prime is 228099127. The next prime is 228099197. The reversal of 228099156 is 651990822.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9504120 + ... + 9504143.

It is an arithmetic number, because the mean of its divisors is an integer number (44352616).

Almost surely, 2^228099156 is an apocalyptic number.

It is an amenable number.

228099156 is an abundant number, since it is smaller than the sum of its proper divisors (304132236).

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

228099156 is a wasteful number, since it uses less digits than its factorization.

228099156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19008270 (or 19008268 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 228099156 is about 15102.9518968975. The cubic root of 228099156 is about 611.0000223222. Note that the first 4 decimals are identical.

The spelling of 228099156 in words is "two hundred twenty-eight million, ninety-nine thousand, one hundred fifty-six".