4221426427 has 2 divisors, whose sum is σ = 4221426428. Its totient is φ = 4221426426.

The previous prime is 4221426421. The next prime is 4221426439. The reversal of 4221426427 is 7246241224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4221426427 - 2⁷ = 4221426299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4221426392 and 4221426401.

It is not a weakly prime, because it can be changed into another prime (4221426421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110713213 + 2110713214.

It is an arithmetic number, because the mean of its divisors is an integer number (2110713214).

Almost surely, 2^4221426427 is an apocalyptic number.

4221426427 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221426427 is an equidigital number, since it uses as much as digits as its factorization.

4221426427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 34.

The square root of 4221426427 is about 64972.5051617990. The cubic root of 4221426427 is about 1616.1676452705.

The spelling of 4221426427 in words is "four billion, two hundred twenty-one million, four hundred twenty-six thousand, four hundred twenty-seven".