228713156 has 48 divisors (see below), whose sum is σ = 467470080. Its totient is φ = 95886720.

The previous prime is 228713131. The next prime is 228713159. The reversal of 228713156 is 651317822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (228713159) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 612986 + ... + 613358.

It is an arithmetic number, because the mean of its divisors is an integer number (9738960).

Almost surely, 2^228713156 is an apocalyptic number.

It is an amenable number.

228713156 is an abundant number, since it is smaller than the sum of its proper divisors (238756924).

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

228713156 is a wasteful number, since it uses less digits than its factorization.

228713156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 802 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 228713156 is about 15123.2653881363. The cubic root of 228713156 is about 611.5477635006.

It can be divided in two parts, 22 and 8713156, that added together give a palindrome (8713178).

The spelling of 228713156 in words is "two hundred twenty-eight million, seven hundred thirteen thousand, one hundred fifty-six".