1226646341 has 2 divisors, whose sum is σ = 1226646342. Its totient is φ = 1226646340.

The previous prime is 1226646331. The next prime is 1226646349. The reversal of 1226646341 is 1436466221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 995150116 + 231496225 = 31546^2 + 15215^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226646341 - 2⁶ = 1226646277 is a prime.

It is a super-2 number, since 2×1226646341² = 3009322491777376562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226646349) 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, 613323170 + 613323171.

It is an arithmetic number, because the mean of its divisors is an integer number (613323171).

Almost surely, 2^1226646341 is an apocalyptic number.

It is an amenable number.

1226646341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226646341 is an equidigital number, since it uses as much as digits as its factorization.

1226646341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 1226646341 is about 35023.5112602948. The cubic root of 1226646341 is about 1070.4666032032.

The spelling of 1226646341 in words is "one billion, two hundred twenty-six million, six hundred forty-six thousand, three hundred forty-one".