228272224 has 24 divisors (see below), whose sum is σ = 464909760. Its totient is φ = 110199936.

The previous prime is 228272207. The next prime is 228272227. The reversal of 228272224 is 422272822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228272227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122064 + ... + 123919.

It is an arithmetic number, because the mean of its divisors is an integer number (19371240).

Almost surely, 2^228272224 is an apocalyptic number.

It is an amenable number.

228272224 is an abundant number, since it is smaller than the sum of its proper divisors (236637536).

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

228272224 is a wasteful number, since it uses less digits than its factorization.

228272224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246022 (or 246014 counting only the distinct ones).

The product of its digits is 14336, while the sum is 31.

The square root of 228272224 is about 15108.6804188850. The cubic root of 228272224 is about 611.1545133496.

The spelling of 228272224 in words is "two hundred twenty-eight million, two hundred seventy-two thousand, two hundred twenty-four".