228469064 has 8 divisors (see below), whose sum is σ = 428379510. Its totient is φ = 114234528.

The previous prime is 228468979. The next prime is 228469067. The reversal of 228469064 is 460964822.

It can be written as a sum of positive squares in only one way, i.e., 140896900 + 87572164 = 11870^2 + 9358^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×228469064² = 104396226410072192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228469067) 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 as a sum of consecutive naturals, namely, 14279309 + ... + 14279324.

Almost surely, 2^228469064 is an apocalyptic number.

It is an amenable number.

228469064 is a deficient number, since it is larger than the sum of its proper divisors (199910446).

228469064 is a wasteful number, since it uses less digits than its factorization.

228469064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28558639 (or 28558635 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 228469064 is about 15115.1931512634. The cubic root of 228469064 is about 611.3301298286.

The spelling of 228469064 in words is "two hundred twenty-eight million, four hundred sixty-nine thousand, sixty-four".