228302064 has 50 divisors (see below), whose sum is σ = 660776160. Its totient is φ = 76100256.

The previous prime is 228302047. The next prime is 228302069. The reversal of 228302064 is 460203822.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228302069) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 86784 + ... + 89375.

Almost surely, 2^228302064 is an apocalyptic number.

228302064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228302064 is an abundant number, since it is smaller than the sum of its proper divisors (432474096).

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

228302064 is a wasteful number, since it uses less digits than its factorization.

228302064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176179 (or 176164 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 228302064 is about 15109.6678984020. The cubic root of 228302064 is about 611.1811424561.

Adding to 228302064 its reverse (460203822), we get a palindrome (688505886).

The spelling of 228302064 in words is "two hundred twenty-eight million, three hundred two thousand, sixty-four".