7308222133 has 2 divisors, whose sum is σ = 7308222134. Its totient is φ = 7308222132.

The previous prime is 7308222109. The next prime is 7308222137. The reversal of 7308222133 is 3312228037.

7308222133 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6789430404 + 518791729 = 82398^2 + 22777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7308222133 is a prime.

It is a super-2 number, since 2×7308222133² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7308222095 and 7308222104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7308222137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3654111066 + 3654111067.

It is an arithmetic number, because the mean of its divisors is an integer number (3654111067).

Almost surely, 2^7308222133 is an apocalyptic number.

It is an amenable number.

7308222133 is a deficient number, since it is larger than the sum of its proper divisors (1).

7308222133 is an equidigital number, since it uses as much as digits as its factorization.

7308222133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 7308222133 is about 85488.1403061267. The cubic root of 7308222133 is about 1940.6054486265.

It can be divided in two parts, 7308 and 222133, that added together give a square (229441 = 479²).

The spelling of 7308222133 in words is "seven billion, three hundred eight million, two hundred twenty-two thousand, one hundred thirty-three".