8222490 has 48 divisors (see below), whose sum is σ = 21610368. Its totient is φ = 2168928.

The previous prime is 8222483. The next prime is 8222491. The reversal of 8222490 is 942228.

It is not an unprimeable number, because it can be changed into a prime (8222491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8827 + ... + 9713.

It is an arithmetic number, because the mean of its divisors is an integer number (450216).

Almost surely, 2^8222490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8222490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10805184).

8222490 is an abundant number, since it is smaller than the sum of its proper divisors (13387878).

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

8222490 is a wasteful number, since it uses less digits than its factorization.

8222490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8222490 is about 2867.4884481023. The cubic root of 8222490 is about 201.8371559512.

The spelling of 8222490 in words is "eight million, two hundred twenty-two thousand, four hundred ninety".