8406822 has 16 divisors (see below), whose sum is σ = 17544960. Its totient is φ = 2680392.

The previous prime is 8406817. The next prime is 8406829. The reversal of 8406822 is 2286048.

It is a happy number.

It is a super-2 number, since 2×8406822² = 141349312279368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8406822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8406829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30322 + ... + 30597.

It is an arithmetic number, because the mean of its divisors is an integer number (1096560).

Almost surely, 2^8406822 is an apocalyptic number.

8406822 is an abundant number, since it is smaller than the sum of its proper divisors (9138138).

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

8406822 is a wasteful number, since it uses less digits than its factorization.

8406822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60947.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 8406822 is about 2899.4520171922. The cubic root of 8406822 is about 203.3342870749.

The spelling of 8406822 in words is "eight million, four hundred six thousand, eight hundred twenty-two".