1226646346 has 16 divisors (see below), whose sum is σ = 1938252960. Its totient is φ = 580610160.

The previous prime is 1226646341. The next prime is 1226646349. The reversal of 1226646346 is 6436466221.

It is a super-2 number, since 2×1226646346² = 3009322516310303432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1226646299 and 1226646308.

It is not an unprimeable number, because it can be changed into a prime (1226646341) 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 7 ways as a sum of consecutive naturals, for example, 42916 + ... + 65536.

It is an arithmetic number, because the mean of its divisors is an integer number (121140810).

Almost surely, 2^1226646346 is an apocalyptic number.

1226646346 is a deficient number, since it is larger than the sum of its proper divisors (711606614).

1226646346 is a wasteful number, since it uses less digits than its factorization.

1226646346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24069.

The product of its digits is 248832, while the sum is 40.

The square root of 1226646346 is about 35023.5113316755. The cubic root of 1226646346 is about 1070.4666046576.

The spelling of 1226646346 in words is "one billion, two hundred twenty-six million, six hundred forty-six thousand, three hundred forty-six".