228984251 has 8 divisors (see below), whose sum is σ = 242991360. Its totient is φ = 215314792.

The previous prime is 228984241. The next prime is 228984263. The reversal of 228984251 is 152489822.

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 228984251 - 2²⁶ = 161875387 is a prime.

It is a super-4 number, since 4×228984251⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228984199 and 228984208.

It is not an unprimeable number, because it can be changed into a prime (228984241) 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, 83015 + ... + 85728.

It is an arithmetic number, because the mean of its divisors is an integer number (30373920).

Almost surely, 2^228984251 is an apocalyptic number.

228984251 is a deficient number, since it is larger than the sum of its proper divisors (14007109).

228984251 is a wasteful number, since it uses less digits than its factorization.

228984251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168825.

The product of its digits is 92160, while the sum is 41.

The square root of 228984251 is about 15132.2255798676. The cubic root of 228984251 is about 611.7892917741.

The spelling of 228984251 in words is "two hundred twenty-eight million, nine hundred eighty-four thousand, two hundred fifty-one".