8221134 has 8 divisors (see below), whose sum is σ = 16442280. Its totient is φ = 2740376.

The previous prime is 8221111. The next prime is 8221139. The reversal of 8221134 is 4311228.

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

8221134 is an admirable number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8221134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8221139) 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, 685089 + ... + 685100.

It is an arithmetic number, because the mean of its divisors is an integer number (2055285).

Almost surely, 2^8221134 is an apocalyptic number.

8221134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8221134 is a wasteful number, since it uses less digits than its factorization.

8221134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370194.

The product of its digits is 384, while the sum is 21.

The square root of 8221134 is about 2867.2519945062. The cubic root of 8221134 is about 201.8260601141.

The spelling of 8221134 in words is "eight million, two hundred twenty-one thousand, one hundred thirty-four".