8821622 has 16 divisors (see below), whose sum is σ = 13751232. Its totient is φ = 4241160.

The previous prime is 8821583. The next prime is 8821633. The reversal of 8821622 is 2261288.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4997 + ... + 6527.

It is an arithmetic number, because the mean of its divisors is an integer number (859452).

Almost surely, 2^8821622 is an apocalyptic number.

8821622 is a deficient number, since it is larger than the sum of its proper divisors (4929610).

8821622 is a wasteful number, since it uses less digits than its factorization.

8821622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643.

The product of its digits is 3072, while the sum is 29.

The square root of 8821622 is about 2970.1215463344. The cubic root of 8821622 is about 206.6249754033.

The spelling of 8821622 in words is "eight million, eight hundred twenty-one thousand, six hundred twenty-two".