7222374641 has 2 divisors, whose sum is σ = 7222374642. Its totient is φ = 7222374640.

The previous prime is 7222374619. The next prime is 7222374671. The reversal of 7222374641 is 1464732227.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4188678400 + 3033696241 = 64720^2 + 55079^2 .

It is a cyclic number.

It is not a de Polignac number, because 7222374641 - 2³⁰ = 6148632817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7222374595 and 7222374604.

It is not a weakly prime, because it can be changed into another prime (7222374671) 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, 3611187320 + 3611187321.

It is an arithmetic number, because the mean of its divisors is an integer number (3611187321).

Almost surely, 2^7222374641 is an apocalyptic number.

It is an amenable number.

7222374641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7222374641 is an equidigital number, since it uses as much as digits as its factorization.

7222374641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 38.

The square root of 7222374641 is about 84984.5553085971. Note that the first 3 decimals coincide. The cubic root of 7222374641 is about 1932.9769302959.

The spelling of 7222374641 in words is "seven billion, two hundred twenty-two million, three hundred seventy-four thousand, six hundred forty-one".