226542517 has 2 divisors, whose sum is σ = 226542518. Its totient is φ = 226542516.

The previous prime is 226542497. The next prime is 226542523. The reversal of 226542517 is 715245622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224970001 + 1572516 = 14999^2 + 1254^2 .

It is a cyclic number.

It is not a de Polignac number, because 226542517 - 2¹⁹ = 226018229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226542587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113271258 + 113271259.

It is an arithmetic number, because the mean of its divisors is an integer number (113271259).

Almost surely, 2^226542517 is an apocalyptic number.

It is an amenable number.

226542517 is a deficient number, since it is larger than the sum of its proper divisors (1).

226542517 is an equidigital number, since it uses as much as digits as its factorization.

226542517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 34.

The square root of 226542517 is about 15051.3294097232. The cubic root of 226542517 is about 609.6069464678.

The spelling of 226542517 in words is "two hundred twenty-six million, five hundred forty-two thousand, five hundred seventeen".