422968669 has 4 divisors (see below), whose sum is σ = 433285020. Its totient is φ = 412652320.

The previous prime is 422968657. The next prime is 422968691. The reversal of 422968669 is 966869224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46104100 + 376864569 = 6790^2 + 19413^2 .

It is a cyclic number.

It is not a de Polignac number, because 422968669 - 2¹³ = 422960477 is a prime.

It is a super-2 number, since 2×422968669² = 357804989911263122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422978669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5158114 + ... + 5158195.

It is an arithmetic number, because the mean of its divisors is an integer number (108321255).

Almost surely, 2^422968669 is an apocalyptic number.

It is an amenable number.

422968669 is a deficient number, since it is larger than the sum of its proper divisors (10316351).

422968669 is a wasteful number, since it uses less digits than its factorization.

422968669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10316350.

The product of its digits is 2239488, while the sum is 52.

The square root of 422968669 is about 20566.2021044237. The cubic root of 422968669 is about 750.6475409083.

The spelling of 422968669 in words is "four hundred twenty-two million, nine hundred sixty-eight thousand, six hundred sixty-nine".