7228466544157 has 2 divisors, whose sum is σ = 7228466544158. Its totient is φ = 7228466544156.

The previous prime is 7228466544113. The next prime is 7228466544163. The reversal of 7228466544157 is 7514456648227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6461631816676 + 766834727481 = 2541974^2 + 875691^2 .

It is a cyclic number.

It is not a de Polignac number, because 7228466544157 - 2¹⁵ = 7228466511389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7228466544095 and 7228466544104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7228466574157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3614233272078 + 3614233272079.

It is an arithmetic number, because the mean of its divisors is an integer number (3614233272079).

Almost surely, 2^{7228466544157} is an apocalyptic number.

It is an amenable number.

7228466544157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7228466544157 is an equidigital number, since it uses as much as digits as its factorization.

7228466544157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90316800, while the sum is 61.

The spelling of 7228466544157 in words is "seven trillion, two hundred twenty-eight billion, four hundred sixty-six million, five hundred forty-four thousand, one hundred fifty-seven".