420054227 has 2 divisors, whose sum is σ = 420054228. Its totient is φ = 420054226.

The previous prime is 420054197. The next prime is 420054233. The reversal of 420054227 is 722450024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420054227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420054196 and 420054205.

It is not a weakly prime, because it can be changed into another prime (420054827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210027113 + 210027114.

It is an arithmetic number, because the mean of its divisors is an integer number (210027114).

Almost surely, 2^420054227 is an apocalyptic number.

420054227 is a deficient number, since it is larger than the sum of its proper divisors (1).

420054227 is an equidigital number, since it uses as much as digits as its factorization.

420054227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 420054227 is about 20495.2244925495. The cubic root of 420054227 is about 748.9194674208.

The spelling of 420054227 in words is "four hundred twenty million, fifty-four thousand, two hundred twenty-seven".