228130579 has 2 divisors, whose sum is σ = 228130580. Its totient is φ = 228130578.

The previous prime is 228130547. The next prime is 228130589. The reversal of 228130579 is 975031822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228130579 - 2⁵ = 228130547 is a prime.

It is a super-2 number, since 2×228130579² = 104087122149750482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (228130589) 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 as a sum of consecutive naturals, namely, 114065289 + 114065290.

It is an arithmetic number, because the mean of its divisors is an integer number (114065290).

Almost surely, 2^228130579 is an apocalyptic number.

228130579 is a deficient number, since it is larger than the sum of its proper divisors (1).

228130579 is an equidigital number, since it uses as much as digits as its factorization.

228130579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 228130579 is about 15103.9921543941. The cubic root of 228130579 is about 611.0280782087.

The spelling of 228130579 in words is "two hundred twenty-eight million, one hundred thirty thousand, five hundred seventy-nine".