422711501 has 2 divisors, whose sum is σ = 422711502. Its totient is φ = 422711500.

The previous prime is 422711489. The next prime is 422711533. The reversal of 422711501 is 105117224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406990276 + 15721225 = 20174^2 + 3965^2 .

It is a cyclic number.

It is not a de Polignac number, because 422711501 - 2⁶ = 422711437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422711581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211355750 + 211355751.

It is an arithmetic number, because the mean of its divisors is an integer number (211355751).

Almost surely, 2^422711501 is an apocalyptic number.

It is an amenable number.

422711501 is a deficient number, since it is larger than the sum of its proper divisors (1).

422711501 is an equidigital number, since it uses as much as digits as its factorization.

422711501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 422711501 is about 20559.9489542168. The cubic root of 422711501 is about 750.4953770264.

Adding to 422711501 its reverse (105117224), we get a palindrome (527828725).

The spelling of 422711501 in words is "four hundred twenty-two million, seven hundred eleven thousand, five hundred one".