424401227 has 2 divisors, whose sum is σ = 424401228. Its totient is φ = 424401226.

The previous prime is 424401199. The next prime is 424401239. The reversal of 424401227 is 722104424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424401227 - 2⁶ = 424401163 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 424401196 and 424401205.

It is not a weakly prime, because it can be changed into another prime (424421227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212200613 + 212200614.

It is an arithmetic number, because the mean of its divisors is an integer number (212200614).

Almost surely, 2^424401227 is an apocalyptic number.

424401227 is a deficient number, since it is larger than the sum of its proper divisors (1).

424401227 is an equidigital number, since it uses as much as digits as its factorization.

424401227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 424401227 is about 20601.0006310373. Note that the first 3 decimals coincide. The cubic root of 424401227 is about 751.4940452030.

Subtracting from 424401227 its sum of digits (26), we obtain a square (424401201 = 20601²).

The spelling of 424401227 in words is "four hundred twenty-four million, four hundred one thousand, two hundred twenty-seven".