8637422 has 8 divisors (see below), whose sum is σ = 13013400. Its totient is φ = 4299624.

The previous prime is 8637379. The next prime is 8637427. The reversal of 8637422 is 2247368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 8 + 6⁶ + 3¹¹ + 7⁵ + 4 + 2¹³ + 2²³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8637427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8972 + ... + 9887.

It is an arithmetic number, because the mean of its divisors is an integer number (1626675).

Almost surely, 2^8637422 is an apocalyptic number.

8637422 is a deficient number, since it is larger than the sum of its proper divisors (4375978).

8637422 is a wasteful number, since it uses less digits than its factorization.

8637422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19090.

The product of its digits is 16128, while the sum is 32.

The square root of 8637422 is about 2938.9491319177. The cubic root of 8637422 is about 205.1767026914.

The spelling of 8637422 in words is "eight million, six hundred thirty-seven thousand, four hundred twenty-two".