7222641533 has 2 divisors, whose sum is σ = 7222641534. Its totient is φ = 7222641532.

The previous prime is 7222641457. The next prime is 7222641577. The reversal of 7222641533 is 3351462227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7181206564 + 41434969 = 84742^2 + 6437^2 .

It is a cyclic number.

It is not a de Polignac number, because 7222641533 - 2²⁰ = 7221592957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7222641493 and 7222641502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7222641583) 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, 3611320766 + 3611320767.

It is an arithmetic number, because the mean of its divisors is an integer number (3611320767).

Almost surely, 2^7222641533 is an apocalyptic number.

It is an amenable number.

7222641533 is a deficient number, since it is larger than the sum of its proper divisors (1).

7222641533 is an equidigital number, since it uses as much as digits as its factorization.

7222641533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 35.

The square root of 7222641533 is about 84986.1255323479. The cubic root of 7222641533 is about 1933.0007400884. Note that the first 3 decimals are identical.

The spelling of 7222641533 in words is "seven billion, two hundred twenty-two million, six hundred forty-one thousand, five hundred thirty-three".