422283649 has 2 divisors, whose sum is σ = 422283650. Its totient is φ = 422283648.

The previous prime is 422283601. The next prime is 422283671. The reversal of 422283649 is 946382224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422097025 + 186624 = 20545^2 + 432^2 .

It is a cyclic number.

It is not a de Polignac number, because 422283649 - 2⁹ = 422283137 is a prime.

It is a Chen prime.

It is equal to p_22459549 and since 422283649 and 22459549 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (422283049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211141824 + 211141825.

It is an arithmetic number, because the mean of its divisors is an integer number (211141825).

Almost surely, 2^422283649 is an apocalyptic number.

It is an amenable number.

422283649 is a deficient number, since it is larger than the sum of its proper divisors (1).

422283649 is an equidigital number, since it uses as much as digits as its factorization.

422283649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The square root of 422283649 is about 20549.5413330809. The cubic root of 422283649 is about 750.2420842223.

The spelling of 422283649 in words is "four hundred twenty-two million, two hundred eighty-three thousand, six hundred forty-nine".