7228273307 has 4 divisors (see below), whose sum is σ = 7229579616. Its totient is φ = 7226967000.

The previous prime is 7228273301. The next prime is 7228273337. The reversal of 7228273307 is 7033728227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7033728227 = 41 ⋅171554347.

It is a cyclic number.

It is not a de Polignac number, because 7228273307 - 2⁴ = 7228273291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7228273301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644819 + ... + 655932.

It is an arithmetic number, because the mean of its divisors is an integer number (1807394904).

Almost surely, 2^7228273307 is an apocalyptic number.

7228273307 is a deficient number, since it is larger than the sum of its proper divisors (1306309).

7228273307 is a wasteful number, since it uses less digits than its factorization.

7228273307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306308.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 7228273307 is about 85019.2525666981. The cubic root of 7228273307 is about 1933.5030214682.

The spelling of 7228273307 in words is "seven billion, two hundred twenty-eight million, two hundred seventy-three thousand, three hundred seven".