7229212 has 12 divisors (see below), whose sum is σ = 12670000. Its totient is φ = 3609216.

The previous prime is 7229197. The next prime is 7229219. The reversal of 7229212 is 2129227.

It is a super-2 number, since 2×7229212² = 104523012281888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7229219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4273 + ... + 5719.

Almost surely, 2^7229212 is an apocalyptic number.

It is an amenable number.

7229212 is a deficient number, since it is larger than the sum of its proper divisors (5440788).

7229212 is a wasteful number, since it uses less digits than its factorization.

7229212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 2698 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 7229212 is about 2688.7193977803. The cubic root of 7229212 is about 193.3586715370.

The spelling of 7229212 in words is "seven million, two hundred twenty-nine thousand, two hundred twelve".