1226245633 has 2 divisors, whose sum is σ = 1226245634. Its totient is φ = 1226245632.

The previous prime is 1226245613. The next prime is 1226245661. The reversal of 1226245633 is 3365426221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1157156289 + 69089344 = 34017^2 + 8312^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226245633 - 2⁹ = 1226245121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1226245613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613122816 + 613122817.

It is an arithmetic number, because the mean of its divisors is an integer number (613122817).

Almost surely, 2^1226245633 is an apocalyptic number.

It is an amenable number.

1226245633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226245633 is an equidigital number, since it uses as much as digits as its factorization.

1226245633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 34.

The square root of 1226245633 is about 35017.7902358216. The cubic root of 1226245633 is about 1070.3500275629.

The spelling of 1226245633 in words is "one billion, two hundred twenty-six million, two hundred forty-five thousand, six hundred thirty-three".