4428668227 has 2 divisors, whose sum is σ = 4428668228. Its totient is φ = 4428668226.

The previous prime is 4428668203. The next prime is 4428668243. The reversal of 4428668227 is 7228668244.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4428668227 - 2²⁷ = 4294450499 is a prime.

It is a super-2 number, since 2×4428668227² = 39226204529678647058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4428663227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214334113 + 2214334114.

It is an arithmetic number, because the mean of its divisors is an integer number (2214334114).

Almost surely, 2^4428668227 is an apocalyptic number.

4428668227 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428668227 is an equidigital number, since it uses as much as digits as its factorization.

4428668227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2064384, while the sum is 49.

The square root of 4428668227 is about 66548.2398489998. The cubic root of 4428668227 is about 1642.1937016403.

The spelling of 4428668227 in words is "four billion, four hundred twenty-eight million, six hundred sixty-eight thousand, two hundred twenty-seven".