3128474227 has 2 divisors, whose sum is σ = 3128474228. Its totient is φ = 3128474226.

The previous prime is 3128474197. The next prime is 3128474341. The reversal of 3128474227 is 7224748213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3128474227 is a prime.

It is a super-3 number, since 3×3128474227³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3128474227.

It is not a weakly prime, because it can be changed into another prime (3128475227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564237113 + 1564237114.

It is an arithmetic number, because the mean of its divisors is an integer number (1564237114).

Almost surely, 2^3128474227 is an apocalyptic number.

3128474227 is a deficient number, since it is larger than the sum of its proper divisors (1).

3128474227 is an equidigital number, since it uses as much as digits as its factorization.

3128474227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 40.

The square root of 3128474227 is about 55932.7652364873. The cubic root of 3128474227 is about 1462.5504658554.

The spelling of 3128474227 in words is "three billion, one hundred twenty-eight million, four hundred seventy-four thousand, two hundred twenty-seven".