8644222 has 8 divisors (see below), whose sum is σ = 13144176. Its totient is φ = 4262832.

The previous prime is 8644213. The next prime is 8644231. The reversal of 8644222 is 2224468.

It is an interprime number because it is at equal distance from previous prime (8644213) and next prime (8644231).

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

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29458 + ... + 29749.

It is an arithmetic number, because the mean of its divisors is an integer number (1643022).

Almost surely, 2^8644222 is an apocalyptic number.

8644222 is a deficient number, since it is larger than the sum of its proper divisors (4499954).

8644222 is a wasteful number, since it uses less digits than its factorization.

8644222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59282.

The product of its digits is 6144, while the sum is 28.

The square root of 8644222 is about 2940.1057804099. The cubic root of 8644222 is about 205.2305318549.

The spelling of 8644222 in words is "eight million, six hundred forty-four thousand, two hundred twenty-two".