228425227 has 4 divisors (see below), whose sum is σ = 233996616. Its totient is φ = 222853840.

The previous prime is 228425207. The next prime is 228425251. The reversal of 228425227 is 722524822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228425227 - 2²⁷ = 94207499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228425192 and 228425201.

It is not an unprimeable number, because it can be changed into a prime (228425207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2785633 + ... + 2785714.

It is an arithmetic number, because the mean of its divisors is an integer number (58499154).

Almost surely, 2^228425227 is an apocalyptic number.

228425227 is a deficient number, since it is larger than the sum of its proper divisors (5571389).

228425227 is an equidigital number, since it uses as much as digits as its factorization.

228425227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571388.

The product of its digits is 35840, while the sum is 34.

The square root of 228425227 is about 15113.7429844496. The cubic root of 228425227 is about 611.2910281189.

The spelling of 228425227 in words is "two hundred twenty-eight million, four hundred twenty-five thousand, two hundred twenty-seven".