7220903801 has 2 divisors, whose sum is σ = 7220903802. Its totient is φ = 7220903800.

The previous prime is 7220903717. The next prime is 7220903821. The reversal of 7220903801 is 1083090227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6652033600 + 568870201 = 81560^2 + 23851^2 .

It is an emirp because it is prime and its reverse (1083090227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7220903801 - 2¹⁴ = 7220887417 is a prime.

It is not a weakly prime, because it can be changed into another prime (7220903821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610451900 + 3610451901.

It is an arithmetic number, because the mean of its divisors is an integer number (3610451901).

Almost surely, 2^7220903801 is an apocalyptic number.

It is an amenable number.

7220903801 is a deficient number, since it is larger than the sum of its proper divisors (1).

7220903801 is an equidigital number, since it uses as much as digits as its factorization.

7220903801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 7220903801 is about 84975.9012956026. The cubic root of 7220903801 is about 1932.8457041665.

The spelling of 7220903801 in words is "seven billion, two hundred twenty million, nine hundred three thousand, eight hundred one".