4221454163 has 2 divisors, whose sum is σ = 4221454164. Its totient is φ = 4221454162.

The previous prime is 4221454121. The next prime is 4221454199. The reversal of 4221454163 is 3614541224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4221454163 - 2⁶ = 4221454099 is a prime.

It is not a weakly prime, because it can be changed into another prime (4221454663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110727081 + 2110727082.

It is an arithmetic number, because the mean of its divisors is an integer number (2110727082).

Almost surely, 2^4221454163 is an apocalyptic number.

4221454163 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221454163 is an equidigital number, since it uses as much as digits as its factorization.

4221454163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 4221454163 is about 64972.7186055809. The cubic root of 4221454163 is about 1616.1711848267.

Adding to 4221454163 its reverse (3614541224), we get a palindrome (7835995387).

The spelling of 4221454163 in words is "four billion, two hundred twenty-one million, four hundred fifty-four thousand, one hundred sixty-three".