8221106 has 4 divisors (see below), whose sum is σ = 12331662. Its totient is φ = 4110552.

The previous prime is 8221069. The next prime is 8221111. The reversal of 8221106 is 6011228.

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

It can be written as a sum of positive squares in only one way, i.e., 7890481 + 330625 = 2809^2 + 575^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055275 + ... + 2055278.

Almost surely, 2^8221106 is an apocalyptic number.

8221106 is a deficient number, since it is larger than the sum of its proper divisors (4110556).

8221106 is a wasteful number, since it uses less digits than its factorization.

8221106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110555.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 8221106 is about 2867.2471117781. The cubic root of 8221106 is about 201.8258309836.

The spelling of 8221106 in words is "eight million, two hundred twenty-one thousand, one hundred six".