42227347 has 2 divisors, whose sum is σ = 42227348. Its totient is φ = 42227346.

The previous prime is 42227327. The next prime is 42227357. The reversal of 42227347 is 74372224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42227347 - 2¹¹ = 42225299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42227327) 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, 21113673 + 21113674.

It is an arithmetic number, because the mean of its divisors is an integer number (21113674).

Almost surely, 2^42227347 is an apocalyptic number.

42227347 is a deficient number, since it is larger than the sum of its proper divisors (1).

42227347 is an equidigital number, since it uses as much as digits as its factorization.

42227347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 31.

The square root of 42227347 is about 6498.2572279035. The cubic root of 42227347 is about 348.2287300409.

The spelling of 42227347 in words is "forty-two million, two hundred twenty-seven thousand, three hundred forty-seven".