42662227 has 2 divisors, whose sum is σ = 42662228. Its totient is φ = 42662226.

The previous prime is 42662167. The next prime is 42662233. The reversal of 42662227 is 72226624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42662227 - 2¹¹ = 42660179 is a prime.

It is a super-2 number, since 2×42662227² = 3640131225199058, which contains 22 as substring.

It is equal to p_2585407 and since 42662227 and 2585407 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42662287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21331113 + 21331114.

It is an arithmetic number, because the mean of its divisors is an integer number (21331114).

Almost surely, 2^42662227 is an apocalyptic number.

42662227 is a deficient number, since it is larger than the sum of its proper divisors (1).

42662227 is an equidigital number, since it uses as much as digits as its factorization.

42662227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 31.

The square root of 42662227 is about 6531.6327973945. The cubic root of 42662227 is about 349.4200654551.

The spelling of 42662227 in words is "forty-two million, six hundred sixty-two thousand, two hundred twenty-seven".