228630349 has 2 divisors, whose sum is σ = 228630350. Its totient is φ = 228630348.

The previous prime is 228630343. The next prime is 228630361. The reversal of 228630349 is 943036822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214417449 + 14212900 = 14643^2 + 3770^2 .

It is a cyclic number.

It is not a de Polignac number, because 228630349 - 2⁵ = 228630317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228630343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114315174 + 114315175.

It is an arithmetic number, because the mean of its divisors is an integer number (114315175).

Almost surely, 2^228630349 is an apocalyptic number.

It is an amenable number.

228630349 is a deficient number, since it is larger than the sum of its proper divisors (1).

228630349 is an equidigital number, since it uses as much as digits as its factorization.

228630349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 228630349 is about 15120.5274048229. The cubic root of 228630349 is about 611.4739497196.

The spelling of 228630349 in words is "two hundred twenty-eight million, six hundred thirty thousand, three hundred forty-nine".