7229272 has 32 divisors (see below), whose sum is σ = 14400000. Its totient is φ = 3392928.

The previous prime is 7229239. The next prime is 7229279. The reversal of 7229272 is 2729227.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7229279) 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 7 ways as a sum of consecutive naturals, for example, 30129 + ... + 30367.

It is an arithmetic number, because the mean of its divisors is an integer number (450000).

Almost surely, 2^7229272 is an apocalyptic number.

It is an amenable number.

7229272 is a deficient number, since it is larger than the sum of its proper divisors (7170728).

7229272 is a wasteful number, since it uses less digits than its factorization.

7229272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 459 counting only the distinct ones).

The product of its digits is 7056, while the sum is 31.

The square root of 7229272 is about 2688.7305554852. The cubic root of 7229272 is about 193.3592064726.

The spelling of 7229272 in words is "seven million, two hundred twenty-nine thousand, two hundred seventy-two".