8636422 has 4 divisors (see below), whose sum is σ = 12954636. Its totient is φ = 4318210.

The previous prime is 8636389. The next prime is 8636423. The reversal of 8636422 is 2246368.

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 (8636423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2159104 + ... + 2159107.

It is an arithmetic number, because the mean of its divisors is an integer number (3238659).

Almost surely, 2^8636422 is an apocalyptic number.

8636422 is a deficient number, since it is larger than the sum of its proper divisors (4318214).

8636422 is a wasteful number, since it uses less digits than its factorization.

8636422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318213.

The product of its digits is 13824, while the sum is 31.

The square root of 8636422 is about 2938.7789981555. The cubic root of 8636422 is about 205.1687842554.

The spelling of 8636422 in words is "eight million, six hundred thirty-six thousand, four hundred twenty-two".