8709422 has 4 divisors (see below), whose sum is σ = 13064136. Its totient is φ = 4354710.

The previous prime is 8709383. The next prime is 8709431. The reversal of 8709422 is 2249078.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2177354 + ... + 2177357.

It is an arithmetic number, because the mean of its divisors is an integer number (3266034).

Almost surely, 2^8709422 is an apocalyptic number.

8709422 is a deficient number, since it is larger than the sum of its proper divisors (4354714).

8709422 is a wasteful number, since it uses less digits than its factorization.

8709422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354713.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 8709422 is about 2951.1729871358. The cubic root of 8709422 is about 205.7452312812.

The spelling of 8709422 in words is "eight million, seven hundred nine thousand, four hundred twenty-two".