228389624 has 16 divisors (see below), whose sum is σ = 429586200. Its totient is φ = 113833312.

The previous prime is 228389621. The next prime is 228389647. The reversal of 228389624 is 426983822.

It is a super-3 number, since 3×228389624³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228389621) 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 in 3 ways as a sum of consecutive naturals, for example, 42494 + ... + 47565.

Almost surely, 2^228389624 is an apocalyptic number.

It is an amenable number.

228389624 is a deficient number, since it is larger than the sum of its proper divisors (201196576).

228389624 is a wasteful number, since it uses less digits than its factorization.

228389624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90382 (or 90378 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 228389624 is about 15112.5651032510. The cubic root of 228389624 is about 611.2592672876.

The spelling of 228389624 in words is "two hundred twenty-eight million, three hundred eighty-nine thousand, six hundred twenty-four".