422711489 has 2 divisors, whose sum is σ = 422711490. Its totient is φ = 422711488.

The previous prime is 422711461. The next prime is 422711501. The reversal of 422711489 is 984117224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 416486464 + 6225025 = 20408^2 + 2495^2 .

It is a cyclic number.

It is not a de Polignac number, because 422711489 - 2²⁸ = 154276033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422711689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211355744 + 211355745.

It is an arithmetic number, because the mean of its divisors is an integer number (211355745).

Almost surely, 2^422711489 is an apocalyptic number.

It is an amenable number.

422711489 is a deficient number, since it is larger than the sum of its proper divisors (1).

422711489 is an equidigital number, since it uses as much as digits as its factorization.

422711489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 422711489 is about 20559.9486623873. The cubic root of 422711489 is about 750.4953699247.

The spelling of 422711489 in words is "four hundred twenty-two million, seven hundred eleven thousand, four hundred eighty-nine".