1226140633 has 2 divisors, whose sum is σ = 1226140634. Its totient is φ = 1226140632.

The previous prime is 1226140583. The next prime is 1226140651. The reversal of 1226140633 is 3360416221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1163287449 + 62853184 = 34107^2 + 7928^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226140633 - 2²¹ = 1224043481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1226141633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613070316 + 613070317.

It is an arithmetic number, because the mean of its divisors is an integer number (613070317).

Almost surely, 2^1226140633 is an apocalyptic number.

It is an amenable number.

1226140633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226140633 is an equidigital number, since it uses as much as digits as its factorization.

1226140633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1226140633 is about 35016.2909657776. The cubic root of 1226140633 is about 1070.3194763264.

Adding to 1226140633 its reverse (3360416221), we get a palindrome (4586556854).

The spelling of 1226140633 in words is "one billion, two hundred twenty-six million, one hundred forty thousand, six hundred thirty-three".