4221305507 has 2 divisors, whose sum is σ = 4221305508. Its totient is φ = 4221305506.

The previous prime is 4221305489. The next prime is 4221305527. The reversal of 4221305507 is 7055031224.

It is a happy number.

4221305507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4221305507 - 2⁸ = 4221305251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4221305507.

It is not a weakly prime, because it can be changed into another prime (4221305527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110652753 + 2110652754.

It is an arithmetic number, because the mean of its divisors is an integer number (2110652754).

Almost surely, 2^4221305507 is an apocalyptic number.

4221305507 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221305507 is an equidigital number, since it uses as much as digits as its factorization.

4221305507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 4221305507 is about 64971.5746076698. The cubic root of 4221305507 is about 1616.1522137680.

The spelling of 4221305507 in words is "four billion, two hundred twenty-one million, three hundred five thousand, five hundred seven".