7220370401 has 2 divisors, whose sum is σ = 7220370402. Its totient is φ = 7220370400.

The previous prime is 7220370389. The next prime is 7220370403. The reversal of 7220370401 is 1040730227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7140250000 + 80120401 = 84500^2 + 8951^2 .

It is a cyclic number.

It is not a de Polignac number, because 7220370401 - 2⁶ = 7220370337 is a prime.

Together with 7220370403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7220370403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610185200 + 3610185201.

It is an arithmetic number, because the mean of its divisors is an integer number (3610185201).

Almost surely, 2^7220370401 is an apocalyptic number.

It is an amenable number.

7220370401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7220370401 is an equidigital number, since it uses as much as digits as its factorization.

7220370401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 7220370401 is about 84972.7627007619. The cubic root of 7220370401 is about 1932.7981106189.

The spelling of 7220370401 in words is "seven billion, two hundred twenty million, three hundred seventy thousand, four hundred one".