7212272 has 10 divisors (see below), whose sum is σ = 13973808. Its totient is φ = 3606128.

The previous prime is 7212263. The next prime is 7212277. The reversal of 7212272 is 2722127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7212277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225368 + ... + 225399.

Almost surely, 2^7212272 is an apocalyptic number.

It is an amenable number.

7212272 is a deficient number, since it is larger than the sum of its proper divisors (6761536).

7212272 is a wasteful number, since it uses less digits than its factorization.

7212272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450775 (or 450769 counting only the distinct ones).

The product of its digits is 784, while the sum is 23.

The square root of 7212272 is about 2685.5673516038. The cubic root of 7212272 is about 193.2075228508.

Adding to 7212272 its reverse (2722127), we get a palindrome (9934399).

The spelling of 7212272 in words is "seven million, two hundred twelve thousand, two hundred seventy-two".