7220069993 has 2 divisors, whose sum is σ = 7220069994. Its totient is φ = 7220069992.

The previous prime is 7220069981. The next prime is 7220070043. The reversal of 7220069993 is 3999600227.

7220069993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5266695184 + 1953374809 = 72572^2 + 44197^2 .

It is a cyclic number.

It is not a de Polignac number, because 7220069993 - 2⁸ = 7220069737 is a prime.

It is not a weakly prime, because it can be changed into another prime (7220069903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610034996 + 3610034997.

It is an arithmetic number, because the mean of its divisors is an integer number (3610034997).

Almost surely, 2^7220069993 is an apocalyptic number.

It is an amenable number.

7220069993 is a deficient number, since it is larger than the sum of its proper divisors (1).

7220069993 is an equidigital number, since it uses as much as digits as its factorization.

7220069993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 7220069993 is about 84970.9950100621. The cubic root of 7220069993 is about 1932.7713051581.

The spelling of 7220069993 in words is "seven billion, two hundred twenty million, sixty-nine thousand, nine hundred ninety-three".