226059521 has 2 divisors, whose sum is σ = 226059522. Its totient is φ = 226059520.

The previous prime is 226059517. The next prime is 226059563. The reversal of 226059521 is 125950622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123321025 + 102738496 = 11105^2 + 10136^2 .

It is a cyclic number.

It is not a de Polignac number, because 226059521 - 2² = 226059517 is a prime.

It is a super-2 number, since 2×226059521² = 102205814069498882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226059121) 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, 113029760 + 113029761.

It is an arithmetic number, because the mean of its divisors is an integer number (113029761).

Almost surely, 2^226059521 is an apocalyptic number.

It is an amenable number.

226059521 is a deficient number, since it is larger than the sum of its proper divisors (1).

226059521 is an equidigital number, since it uses as much as digits as its factorization.

226059521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 226059521 is about 15035.2758870597. The cubic root of 226059521 is about 609.1734042803.

The spelling of 226059521 in words is "two hundred twenty-six million, fifty-nine thousand, five hundred twenty-one".