422884669 has 2 divisors, whose sum is σ = 422884670. Its totient is φ = 422884668.

The previous prime is 422884643. The next prime is 422884703. The reversal of 422884669 is 966488224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422302500 + 582169 = 20550^2 + 763^2 .

It is a cyclic number.

It is not a de Polignac number, because 422884669 - 2⁹ = 422884157 is a prime.

It is a super-2 number, since 2×422884669² = 357662886550479122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422884069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211442334 + 211442335.

It is an arithmetic number, because the mean of its divisors is an integer number (211442335).

Almost surely, 2^422884669 is an apocalyptic number.

It is an amenable number.

422884669 is a deficient number, since it is larger than the sum of its proper divisors (1).

422884669 is an equidigital number, since it uses as much as digits as its factorization.

422884669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 49.

The square root of 422884669 is about 20564.1598175077. The cubic root of 422884669 is about 750.5978456845.

The spelling of 422884669 in words is "four hundred twenty-two million, eight hundred eighty-four thousand, six hundred sixty-nine".