7126221233 has 2 divisors, whose sum is σ = 7126221234. Its totient is φ = 7126221232.

The previous prime is 7126221191. The next prime is 7126221329. The reversal of 7126221233 is 3321226217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4339120384 + 2787100849 = 65872^2 + 52793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7126221233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7126221196 and 7126221205.

It is not a weakly prime, because it can be changed into another prime (7126221133) 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 as a sum of consecutive naturals, namely, 3563110616 + 3563110617.

It is an arithmetic number, because the mean of its divisors is an integer number (3563110617).

Almost surely, 2^7126221233 is an apocalyptic number.

It is an amenable number.

7126221233 is a deficient number, since it is larger than the sum of its proper divisors (1).

7126221233 is an equidigital number, since it uses as much as digits as its factorization.

7126221233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 7126221233 is about 84416.9487306903. The cubic root of 7126221233 is about 1924.3604989269.

The spelling of 7126221233 in words is "seven billion, one hundred twenty-six million, two hundred twenty-one thousand, two hundred thirty-three".