422620271 has 2 divisors, whose sum is σ = 422620272. Its totient is φ = 422620270.

The previous prime is 422620267. The next prime is 422620307. The reversal of 422620271 is 172026224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422620271 - 2² = 422620267 is a prime.

It is a super-2 number, since 2×422620271² = 357215786920226882, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422620271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422620571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211310135 + 211310136.

It is an arithmetic number, because the mean of its divisors is an integer number (211310136).

Almost surely, 2^422620271 is an apocalyptic number.

422620271 is a deficient number, since it is larger than the sum of its proper divisors (1).

422620271 is an equidigital number, since it uses as much as digits as its factorization.

422620271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 422620271 is about 20557.7302005839. The cubic root of 422620271 is about 750.4413822654.

Adding to 422620271 its reverse (172026224), we get a palindrome (594646495).

The spelling of 422620271 in words is "four hundred twenty-two million, six hundred twenty thousand, two hundred seventy-one".