226171513 has 2 divisors, whose sum is σ = 226171514. Its totient is φ = 226171512.

The previous prime is 226171507. The next prime is 226171523. The reversal of 226171513 is 315171622.

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., 221027689 + 5143824 = 14867^2 + 2268^2 .

It is a cyclic number.

It is not a de Polignac number, because 226171513 - 2⁵ = 226171481 is a prime.

It is not a weakly prime, because it can be changed into another prime (226171523) 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, 113085756 + 113085757.

It is an arithmetic number, because the mean of its divisors is an integer number (113085757).

Almost surely, 2^226171513 is an apocalyptic number.

It is an amenable number.

226171513 is a deficient number, since it is larger than the sum of its proper divisors (1).

226171513 is an equidigital number, since it uses as much as digits as its factorization.

226171513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 226171513 is about 15038.9997340249. Note that the first 3 decimals coincide. The cubic root of 226171513 is about 609.2739844058.

The spelling of 226171513 in words is "two hundred twenty-six million, one hundred seventy-one thousand, five hundred thirteen".