422534213 has 2 divisors, whose sum is σ = 422534214. Its totient is φ = 422534212.

The previous prime is 422534209. The next prime is 422534237. The reversal of 422534213 is 312435224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245298244 + 177235969 = 15662^2 + 13313^2 .

It is a cyclic number.

It is not a de Polignac number, because 422534213 - 2² = 422534209 is a prime.

It is a super-2 number, since 2×422534213² = 357070322311058738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422534243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211267106 + 211267107.

It is an arithmetic number, because the mean of its divisors is an integer number (211267107).

Almost surely, 2^422534213 is an apocalyptic number.

It is an amenable number.

422534213 is a deficient number, since it is larger than the sum of its proper divisors (1).

422534213 is an equidigital number, since it uses as much as digits as its factorization.

422534213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 26.

The square root of 422534213 is about 20555.6370127515. The cubic root of 422534213 is about 750.3904414461.

Adding to 422534213 its reverse (312435224), we get a palindrome (734969437).

The spelling of 422534213 in words is "four hundred twenty-two million, five hundred thirty-four thousand, two hundred thirteen".