228144473 has 2 divisors, whose sum is σ = 228144474. Its totient is φ = 228144472.

The previous prime is 228144461. The next prime is 228144517. The reversal of 228144473 is 374441822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211062784 + 17081689 = 14528^2 + 4133^2 .

It is a cyclic number.

It is not a de Polignac number, because 228144473 - 2⁶ = 228144409 is a prime.

It is not a weakly prime, because it can be changed into another prime (228144443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114072236 + 114072237.

It is an arithmetic number, because the mean of its divisors is an integer number (114072237).

Almost surely, 2^228144473 is an apocalyptic number.

It is an amenable number.

228144473 is a deficient number, since it is larger than the sum of its proper divisors (1).

228144473 is an equidigital number, since it uses as much as digits as its factorization.

228144473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 35.

The square root of 228144473 is about 15104.4520920158. The cubic root of 228144473 is about 611.0404825837.

The spelling of 228144473 in words is "two hundred twenty-eight million, one hundred forty-four thousand, four hundred seventy-three".