1226181676 has 6 divisors (see below), whose sum is σ = 2145817940. Its totient is φ = 613090836.

The previous prime is 1226181667. The next prime is 1226181707. The reversal of 1226181676 is 6761816221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153272706 + ... + 153272713.

Almost surely, 2^1226181676 is an apocalyptic number.

It is an amenable number.

1226181676 is a deficient number, since it is larger than the sum of its proper divisors (919636264).

1226181676 is a wasteful number, since it uses less digits than its factorization.

1226181676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306545423 (or 306545421 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 1226181676 is about 35016.8770166616. The cubic root of 1226181676 is about 1070.3314185759.

Adding to 1226181676 its reverse (6761816221), we get a palindrome (7987997897).

The spelling of 1226181676 in words is "one billion, two hundred twenty-six million, one hundred eighty-one thousand, six hundred seventy-six".