42662233 has 2 divisors, whose sum is σ = 42662234. Its totient is φ = 42662232.

The previous prime is 42662227. The next prime is 42662287. The reversal of 42662233 is 33226624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26956864 + 15705369 = 5192^2 + 3963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42662233 is a prime.

It is a super-2 number, since 2×42662233² = 3640132249092578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42662833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21331116 + 21331117.

It is an arithmetic number, because the mean of its divisors is an integer number (21331117).

Almost surely, 2^42662233 is an apocalyptic number.

It is an amenable number.

42662233 is a deficient number, since it is larger than the sum of its proper divisors (1).

42662233 is an equidigital number, since it uses as much as digits as its factorization.

42662233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 28.

The square root of 42662233 is about 6531.6332566977. The cubic root of 42662233 is about 349.4200818359.

Adding to 42662233 its reverse (33226624), we get a palindrome (75888857).

The spelling of 42662233 in words is "forty-two million, six hundred sixty-two thousand, two hundred thirty-three".