42354227 has 2 divisors, whose sum is σ = 42354228. Its totient is φ = 42354226.

The previous prime is 42354217. The next prime is 42354229. The reversal of 42354227 is 72245324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42354227 - 2⁶ = 42354163 is a prime.

Together with 42354229, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 42354227.

It is not a weakly prime, because it can be changed into another prime (42354229) 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, 21177113 + 21177114.

It is an arithmetic number, because the mean of its divisors is an integer number (21177114).

Almost surely, 2^42354227 is an apocalyptic number.

42354227 is a deficient number, since it is larger than the sum of its proper divisors (1).

42354227 is an equidigital number, since it uses as much as digits as its factorization.

42354227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 29.

The square root of 42354227 is about 6508.0125230365. The cubic root of 42354227 is about 348.5771541928.

The spelling of 42354227 in words is "forty-two million, three hundred fifty-four thousand, two hundred twenty-seven".