42322271 has 2 divisors, whose sum is σ = 42322272. Its totient is φ = 42322270.

The previous prime is 42322243. The next prime is 42322283. The reversal of 42322271 is 17222324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42322271 - 2⁶ = 42322207 is a prime.

It is a super-3 number, since 3×42322271³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42321271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21161135 + 21161136.

It is an arithmetic number, because the mean of its divisors is an integer number (21161136).

Almost surely, 2^42322271 is an apocalyptic number.

42322271 is a deficient number, since it is larger than the sum of its proper divisors (1).

42322271 is an equidigital number, since it uses as much as digits as its factorization.

42322271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 23.

The square root of 42322271 is about 6505.5569323464. The cubic root of 42322271 is about 348.4894657063.

Adding to 42322271 its reverse (17222324), we get a palindrome (59544595).

The spelling of 42322271 in words is "forty-two million, three hundred twenty-two thousand, two hundred seventy-one".