1226355016 has 32 divisors (see below), whose sum is σ = 2386956600. Its totient is φ = 589980160.

The previous prime is 1226355001. The next prime is 1226355017. The reversal of 1226355016 is 6105536221.

It can be written as a sum of positive squares in 4 ways, for example, as 1042644100 + 183710916 = 32290^2 + 13554^2 .

It is not an unprimeable number, because it can be changed into a prime (1226355017) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 58956 + ... + 76996.

Almost surely, 2^1226355016 is an apocalyptic number.

It is an amenable number.

1226355016 is a deficient number, since it is larger than the sum of its proper divisors (1160601584).

1226355016 is a wasteful number, since it uses less digits than its factorization.

1226355016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18369 (or 18365 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1226355016 is about 35019.3520214181. The cubic root of 1226355016 is about 1070.3818522405.

The spelling of 1226355016 in words is "one billion, two hundred twenty-six million, three hundred fifty-five thousand, sixteen".