1226833931 has 2 divisors, whose sum is σ = 1226833932. Its totient is φ = 1226833930.

The previous prime is 1226833889. The next prime is 1226833963. The reversal of 1226833931 is 1393386221.

It is a strong prime.

It is an emirp because it is prime and its reverse (1393386221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1226833931 is a prime.

It is a super-3 number, since 3×1226833931³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1226833331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613416965 + 613416966.

It is an arithmetic number, because the mean of its divisors is an integer number (613416966).

Almost surely, 2^1226833931 is an apocalyptic number.

1226833931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226833931 is an equidigital number, since it uses as much as digits as its factorization.

1226833931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 1226833931 is about 35026.1892160709. The cubic root of 1226833931 is about 1070.5211689427.

The spelling of 1226833931 in words is "one billion, two hundred twenty-six million, eight hundred thirty-three thousand, nine hundred thirty-one".