8422212 has 48 divisors (see below), whose sum is σ = 20401920. Its totient is φ = 2702592.

The previous prime is 8422201. The next prime is 8422213. The reversal of 8422212 is 2122248.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8422213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61408 + ... + 61544.

It is an arithmetic number, because the mean of its divisors is an integer number (425040).

Almost surely, 2^8422212 is an apocalyptic number.

It is an amenable number.

8422212 is an abundant number, since it is smaller than the sum of its proper divisors (11979708).

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

8422212 is a wasteful number, since it uses less digits than its factorization.

8422212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 298 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 8422212 is about 2902.1047534505. The cubic root of 8422212 is about 203.4582898213.

The spelling of 8422212 in words is "eight million, four hundred twenty-two thousand, two hundred twelve".