228936156 has 12 divisors (see below), whose sum is σ = 534184392. Its totient is φ = 76312048.

The previous prime is 228936151. The next prime is 228936157. The reversal of 228936156 is 651639822.

228936156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228936151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9538995 + ... + 9539018.

It is an arithmetic number, because the mean of its divisors is an integer number (44515366).

Almost surely, 2^228936156 is an apocalyptic number.

It is an amenable number.

228936156 is an abundant number, since it is smaller than the sum of its proper divisors (305248236).

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

228936156 is a wasteful number, since it uses less digits than its factorization.

228936156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19078020 (or 19078018 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 228936156 is about 15130.6363382377. The cubic root of 228936156 is about 611.7464561262.

The spelling of 228936156 in words is "two hundred twenty-eight million, nine hundred thirty-six thousand, one hundred fifty-six".