228130756 has 24 divisors (see below), whose sum is σ = 459599616. Its totient is φ = 97055040.

The previous prime is 228130751. The next prime is 228130759. The reversal of 228130756 is 657031822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (228130751) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25900 + ... + 33571.

It is an arithmetic number, because the mean of its divisors is an integer number (19149984).

Almost surely, 2^228130756 is an apocalyptic number.

It is an amenable number.

228130756 is an abundant number, since it is smaller than the sum of its proper divisors (231468860).

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

228130756 is a wasteful number, since it uses less digits than its factorization.

228130756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59619 (or 59617 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 228130756 is about 15103.9980137711. The cubic root of 228130756 is about 611.0282362351.

The spelling of 228130756 in words is "two hundred twenty-eight million, one hundred thirty thousand, seven hundred fifty-six".