228447356 has 6 divisors (see below), whose sum is σ = 399782880. Its totient is φ = 114223676.

The previous prime is 228447353. The next prime is 228447371. The reversal of 228447356 is 653744822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228447353) 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 as a sum of consecutive naturals, namely, 28555916 + ... + 28555923.

It is an arithmetic number, because the mean of its divisors is an integer number (66630480).

Almost surely, 2^228447356 is an apocalyptic number.

It is an amenable number.

228447356 is a deficient number, since it is larger than the sum of its proper divisors (171335524).

228447356 is a wasteful number, since it uses less digits than its factorization.

228447356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57111843 (or 57111841 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 228447356 is about 15114.4750487736. The cubic root of 228447356 is about 611.3107673606.

The spelling of 228447356 in words is "two hundred twenty-eight million, four hundred forty-seven thousand, three hundred fifty-six".