226503561073 has 2 divisors, whose sum is σ = 226503561074. Its totient is φ = 226503561072.

The previous prime is 226503561019. The next prime is 226503561101. The reversal of 226503561073 is 370165305622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150146950144 + 76356610929 = 387488^2 + 276327^2 .

It is a cyclic number.

It is not a de Polignac number, because 226503561073 - 2³³ = 217913626481 is a prime.

It is a super-2 number, since 2×226503561073² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (226503561773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113251780536 + 113251780537.

It is an arithmetic number, because the mean of its divisors is an integer number (113251780537).

Almost surely, 2^226503561073 is an apocalyptic number.

It is an amenable number.

226503561073 is a deficient number, since it is larger than the sum of its proper divisors (1).

226503561073 is an equidigital number, since it uses as much as digits as its factorization.

226503561073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 40.

Adding to 226503561073 its reverse (370165305622), we get a palindrome (596668866695).

The spelling of 226503561073 in words is "two hundred twenty-six billion, five hundred three million, five hundred sixty-one thousand, seventy-three".