8412220 has 24 divisors (see below), whose sum is σ = 17967600. Its totient is φ = 3307392.

The previous prime is 8412169. The next prime is 8412221. The reversal of 8412220 is 222148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8412221) 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, 2385 + ... + 4744.

It is an arithmetic number, because the mean of its divisors is an integer number (748650).

Almost surely, 2^8412220 is an apocalyptic number.

It is an amenable number.

8412220 is an abundant number, since it is smaller than the sum of its proper divisors (9555380).

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

8412220 is a wasteful number, since it uses less digits than its factorization.

8412220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7197 (or 7195 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 8412220 is about 2900.3827333647. The cubic root of 8412220 is about 203.3777979142.

Adding to 8412220 its reverse (222148), we get a palindrome (8634368).

The spelling of 8412220 in words is "eight million, four hundred twelve thousand, two hundred twenty".