7022225831581 has 2 divisors, whose sum is σ = 7022225831582. Its totient is φ = 7022225831580.

The previous prime is 7022225831557. The next prime is 7022225831633. The reversal of 7022225831581 is 1851385222207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4849535091556 + 2172690740025 = 2202166^2 + 1474005^2 .

It is a cyclic number.

It is not a de Polignac number, because 7022225831581 - 2⁵ = 7022225831549 is a prime.

It is a super-2 number, since 2×7022225831581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7022225831521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3511112915790 + 3511112915791.

It is an arithmetic number, because the mean of its divisors is an integer number (3511112915791).

Almost surely, 2^{7022225831581} is an apocalyptic number.

It is an amenable number.

7022225831581 is a deficient number, since it is larger than the sum of its proper divisors (1).

7022225831581 is an equidigital number, since it uses as much as digits as its factorization.

7022225831581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 7022225831581 in words is "seven trillion, twenty-two billion, two hundred twenty-five million, eight hundred thirty-one thousand, five hundred eighty-one".