1226397299 has 16 divisors (see below), whose sum is σ = 1262767968. Its totient is φ = 1190714112.

The previous prime is 1226397251. The next prime is 1226397307. The reversal of 1226397299 is 9927936221.

It is a cyclic number.

It is not a de Polignac number, because 1226397299 - 2²⁰ = 1225348723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226327299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1538369 + ... + 1539165.

It is an arithmetic number, because the mean of its divisors is an integer number (78922998).

Almost surely, 2^1226397299 is an apocalyptic number.

1226397299 is a deficient number, since it is larger than the sum of its proper divisors (36370669).

1226397299 is a wasteful number, since it uses less digits than its factorization.

1226397299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174.

The product of its digits is 734832, while the sum is 50.

The square root of 1226397299 is about 35019.9557252718. The cubic root of 1226397299 is about 1070.3941538539.

The spelling of 1226397299 in words is "one billion, two hundred twenty-six million, three hundred ninety-seven thousand, two hundred ninety-nine".