228326956 has 24 divisors (see below), whose sum is σ = 469428624. Its totient is φ = 95801280.

The previous prime is 228326953. The next prime is 228326981. The reversal of 228326956 is 659623822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (228326953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199015 + ... + 200158.

It is an arithmetic number, because the mean of its divisors is an integer number (19559526).

Almost surely, 2^228326956 is an apocalyptic number.

228326956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

228326956 is an abundant number, since it is smaller than the sum of its proper divisors (241101668).

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

228326956 is a wasteful number, since it uses less digits than its factorization.

228326956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399201 (or 399199 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 228326956 is about 15110.4915869736. The cubic root of 228326956 is about 611.2033542105.

It can be divided in two parts, 228 and 326956, that added together give a square (327184 = 572²).

The spelling of 228326956 in words is "two hundred twenty-eight million, three hundred twenty-six thousand, nine hundred fifty-six".