226126261 has 2 divisors, whose sum is σ = 226126262. Its totient is φ = 226126260.

The previous prime is 226126223. The next prime is 226126283. The reversal of 226126261 is 162621622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208224900 + 17901361 = 14430^2 + 4231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226126261 is a prime.

It is a super-2 number, since 2×226126261² = 102266171827680242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226126861) 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, 113063130 + 113063131.

It is an arithmetic number, because the mean of its divisors is an integer number (113063131).

Almost surely, 2^226126261 is an apocalyptic number.

It is an amenable number.

226126261 is a deficient number, since it is larger than the sum of its proper divisors (1).

226126261 is an equidigital number, since it uses as much as digits as its factorization.

226126261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 226126261 is about 15037.4951704065. The cubic root of 226126261 is about 609.2333475384.

Adding to 226126261 its reverse (162621622), we get a palindrome (388747883).

The spelling of 226126261 in words is "two hundred twenty-six million, one hundred twenty-six thousand, two hundred sixty-one".