1226663299 has 2 divisors, whose sum is σ = 1226663300. Its totient is φ = 1226663298.

The previous prime is 1226663267. The next prime is 1226663303. The reversal of 1226663299 is 9923666221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1226663299 - 2⁵ = 1226663267 is a prime.

It is a super-2 number, since 2×1226663299² = 3009405698227126802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1226663699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613331649 + 613331650.

It is an arithmetic number, because the mean of its divisors is an integer number (613331650).

Almost surely, 2^1226663299 is an apocalyptic number.

1226663299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226663299 is an equidigital number, since it uses as much as digits as its factorization.

1226663299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 46.

The square root of 1226663299 is about 35023.7533539739. The cubic root of 1226663299 is about 1070.4715361352.

The spelling of 1226663299 in words is "one billion, two hundred twenty-six million, six hundred sixty-three thousand, two hundred ninety-nine".