869709422 has 4 divisors (see below), whose sum is σ = 1304564136. Its totient is φ = 434854710.

The previous prime is 869709403. The next prime is 869709427. The reversal of 869709422 is 224907968.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869709427) 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 as a sum of consecutive naturals, namely, 217427354 + ... + 217427357.

It is an arithmetic number, because the mean of its divisors is an integer number (326141034).

Almost surely, 2^869709422 is an apocalyptic number.

869709422 is a deficient number, since it is larger than the sum of its proper divisors (434854714).

869709422 is a wasteful number, since it uses less digits than its factorization.

869709422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434854713.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 869709422 is about 29490.8362377197. The cubic root of 869709422 is about 954.5339765491.

The spelling of 869709422 in words is "eight hundred sixty-nine million, seven hundred nine thousand, four hundred twenty-two".