228884321 has 8 divisors (see below), whose sum is σ = 230294400. Its totient is φ = 227479248.

The previous prime is 228884291. The next prime is 228884329. The reversal of 228884321 is 123488822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228884321 - 2¹⁴ = 228867937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (228884329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127190 + ... + 128976.

It is an arithmetic number, because the mean of its divisors is an integer number (28786800).

Almost surely, 2^228884321 is an apocalyptic number.

It is an amenable number.

228884321 is a deficient number, since it is larger than the sum of its proper divisors (1410079).

228884321 is a wasteful number, since it uses less digits than its factorization.

228884321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503.

The product of its digits is 49152, while the sum is 38.

The square root of 228884321 is about 15128.9233258682. The cubic root of 228884321 is about 611.7002827423.

The spelling of 228884321 in words is "two hundred twenty-eight million, eight hundred eighty-four thousand, three hundred twenty-one".