4228594021 has 2 divisors, whose sum is σ = 4228594022. Its totient is φ = 4228594020.

The previous prime is 4228594009. The next prime is 4228594031. The reversal of 4228594021 is 1204958224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4228250625 + 343396 = 65025^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 4228594021 - 2⁵ = 4228593989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4228594031) 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, 2114297010 + 2114297011.

It is an arithmetic number, because the mean of its divisors is an integer number (2114297011).

Almost surely, 2^4228594021 is an apocalyptic number.

It is an amenable number.

4228594021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4228594021 is an equidigital number, since it uses as much as digits as its factorization.

4228594021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 4228594021 is about 65027.6404385089. The cubic root of 4228594021 is about 1617.0818294281.

The spelling of 4228594021 in words is "four billion, two hundred twenty-eight million, five hundred ninety-four thousand, twenty-one".