1226768697 has 48 divisors (see below), whose sum is σ = 2215848960. Its totient is φ = 635378400.

The previous prime is 1226768689. The next prime is 1226768717. The reversal of 1226768697 is 7968676221.

It is not a de Polignac number, because 1226768697 - 2³ = 1226768689 is a prime.

It is a super-2 number, since 2×1226768697² = 3009922871878155618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1226768617) 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 in 47 ways as a sum of consecutive naturals, for example, 246322 + ... + 251252.

It is an arithmetic number, because the mean of its divisors is an integer number (46163520).

Almost surely, 2^1226768697 is an apocalyptic number.

It is an amenable number.

1226768697 is a deficient number, since it is larger than the sum of its proper divisors (989080263).

1226768697 is a wasteful number, since it uses less digits than its factorization.

1226768697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314 (or 5311 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 1226768697 is about 35025.2579862019. The cubic root of 1226768697 is about 1070.5021944606.

The spelling of 1226768697 in words is "one billion, two hundred twenty-six million, seven hundred sixty-eight thousand, six hundred ninety-seven".