4228859521 has 2 divisors, whose sum is σ = 4228859522. Its totient is φ = 4228859520.

The previous prime is 4228859447. The next prime is 4228859549. The reversal of 4228859521 is 1259588224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3097479025 + 1131380496 = 55655^2 + 33636^2 .

It is a cyclic number.

It is not a de Polignac number, because 4228859521 - 2²¹ = 4226762369 is a prime.

It is not a weakly prime, because it can be changed into another prime (4228859561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2114429760 + 2114429761.

It is an arithmetic number, because the mean of its divisors is an integer number (2114429761).

Almost surely, 2^4228859521 is an apocalyptic number.

It is an amenable number.

4228859521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4228859521 is an equidigital number, since it uses as much as digits as its factorization.

4228859521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460800, while the sum is 46.

The square root of 4228859521 is about 65029.6818460616. The cubic root of 4228859521 is about 1617.1156725320.

The spelling of 4228859521 in words is "four billion, two hundred twenty-eight million, eight hundred fifty-nine thousand, five hundred twenty-one".