224331228 has 48 divisors (see below), whose sum is σ = 634475520. Its totient is φ = 67978800.

The previous prime is 224331223. The next prime is 224331229. The reversal of 224331228 is 822133422.

224331228 is a `hidden beast` number, since 2 + 2 + 433 + 1 + 228 = 666.

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 (224331223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93228 + ... + 95603.

It is an arithmetic number, because the mean of its divisors is an integer number (13218240).

Almost surely, 2^224331228 is an apocalyptic number.

It is an amenable number.

224331228 is an abundant number, since it is smaller than the sum of its proper divisors (410144292).

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

224331228 is a wasteful number, since it uses less digits than its factorization.

224331228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188855 (or 188847 counting only the distinct ones).

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

The square root of 224331228 is about 14977.6910102993. The cubic root of 224331228 is about 607.6169931667.

The spelling of 224331228 in words is "two hundred twenty-four million, three hundred thirty-one thousand, two hundred twenty-eight".