42238267 has 2 divisors, whose sum is σ = 42238268. Its totient is φ = 42238266.

The previous prime is 42238253. The next prime is 42238271. The reversal of 42238267 is 76283224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42238267 - 2⁷ = 42238139 is a prime.

It is not a weakly prime, because it can be changed into another prime (42238237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21119133 + 21119134.

It is an arithmetic number, because the mean of its divisors is an integer number (21119134).

Almost surely, 2^42238267 is an apocalyptic number.

42238267 is a deficient number, since it is larger than the sum of its proper divisors (1).

42238267 is an equidigital number, since it uses as much as digits as its factorization.

42238267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The square root of 42238267 is about 6499.0973988701. The cubic root of 42238267 is about 348.2587447925.

The spelling of 42238267 in words is "forty-two million, two hundred thirty-eight thousand, two hundred sixty-seven".