7220775433 has 2 divisors, whose sum is σ = 7220775434. Its totient is φ = 7220775432.

The previous prime is 7220775427. The next prime is 7220775467. The reversal of 7220775433 is 3345770227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3822701584 + 3398073849 = 61828^2 + 58293^2 .

It is a cyclic number.

It is not a de Polignac number, because 7220775433 - 2¹³ = 7220767241 is a prime.

It is not a weakly prime, because it can be changed into another prime (7220775403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610387716 + 3610387717.

It is an arithmetic number, because the mean of its divisors is an integer number (3610387717).

Almost surely, 2^7220775433 is an apocalyptic number.

It is an amenable number.

7220775433 is a deficient number, since it is larger than the sum of its proper divisors (1).

7220775433 is an equidigital number, since it uses as much as digits as its factorization.

7220775433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 40.

The square root of 7220775433 is about 84975.1459722194. The cubic root of 7220775433 is about 1932.8342505214.

The spelling of 7220775433 in words is "seven billion, two hundred twenty million, seven hundred seventy-five thousand, four hundred thirty-three".