7422212 has 12 divisors (see below), whose sum is σ = 14844480. Its totient is φ = 3180936.

The previous prime is 7422211. The next prime is 7422221. The reversal of 7422212 is 2122247.

It is a happy number.

7422212 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (7422211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132512 + ... + 132567.

It is an arithmetic number, because the mean of its divisors is an integer number (1237040).

Almost surely, 2^7422212 is an apocalyptic number.

It is an amenable number.

7422212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7422212 is a wasteful number, since it uses less digits than its factorization.

7422212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265090 (or 265088 counting only the distinct ones).

The product of its digits is 448, while the sum is 20.

The square root of 7422212 is about 2724.3736894927. The cubic root of 7422212 is about 195.0642961328.

Adding to 7422212 its reverse (2122247), we get a palindrome (9544459).

The spelling of 7422212 in words is "seven million, four hundred twenty-two thousand, two hundred twelve".