4221555113 has 2 divisors, whose sum is σ = 4221555114. Its totient is φ = 4221555112.

The previous prime is 4221555103. The next prime is 4221555167. The reversal of 4221555113 is 3115551224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2641651609 + 1579903504 = 51397^2 + 39748^2 .

It is a cyclic number.

It is not a de Polignac number, because 4221555113 - 2⁶ = 4221555049 is a prime.

It is not a weakly prime, because it can be changed into another prime (4221555103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110777556 + 2110777557.

It is an arithmetic number, because the mean of its divisors is an integer number (2110777557).

Almost surely, 2^4221555113 is an apocalyptic number.

It is an amenable number.

4221555113 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221555113 is an equidigital number, since it uses as much as digits as its factorization.

4221555113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6000, while the sum is 29.

The square root of 4221555113 is about 64973.4954654588. The cubic root of 4221555113 is about 1616.1840675265.

The spelling of 4221555113 in words is "four billion, two hundred twenty-one million, five hundred fifty-five thousand, one hundred thirteen".