228663324 has 30 divisors (see below), whose sum is σ = 597771944. Its totient is φ = 76221000.

The previous prime is 228663317. The next prime is 228663329. The reversal of 228663324 is 423366822.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228663329) 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, 352552 + ... + 353199.

Almost surely, 2^228663324 is an apocalyptic number.

It is an amenable number.

228663324 is an abundant number, since it is smaller than the sum of its proper divisors (369108620).

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

228663324 is a wasteful number, since it uses less digits than its factorization.

228663324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705767 (or 705756 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 228663324 is about 15121.6177705958. The cubic root of 228663324 is about 611.5033456190.

The spelling of 228663324 in words is "two hundred twenty-eight million, six hundred sixty-three thousand, three hundred twenty-four".