420226627 has 2 divisors, whose sum is σ = 420226628. Its totient is φ = 420226626.

The previous prime is 420226603. The next prime is 420226643. The reversal of 420226627 is 726622024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420226627 - 2¹¹ = 420224579 is a prime.

It is not a weakly prime, because it can be changed into another prime (420226657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210113313 + 210113314.

It is an arithmetic number, because the mean of its divisors is an integer number (210113314).

Almost surely, 2^420226627 is an apocalyptic number.

420226627 is a deficient number, since it is larger than the sum of its proper divisors (1).

420226627 is an equidigital number, since it uses as much as digits as its factorization.

420226627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 420226627 is about 20499.4299189026. The cubic root of 420226627 is about 749.0219113817.

The spelling of 420226627 in words is "four hundred twenty million, two hundred twenty-six thousand, six hundred twenty-seven".