1226644433 has 8 divisors (see below), whose sum is σ = 1412113152. Its totient is φ = 1043734176.

The previous prime is 1226644403. The next prime is 1226644453. The reversal of 1226644433 is 3344466221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1226644433 - 2¹⁰ = 1226643409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1226644393 and 1226644402.

It is not an unprimeable number, because it can be changed into a prime (1226644403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638585 + ... + 640502.

It is an arithmetic number, because the mean of its divisors is an integer number (176514144).

Almost surely, 2^1226644433 is an apocalyptic number.

It is an amenable number.

1226644433 is a deficient number, since it is larger than the sum of its proper divisors (185468719).

1226644433 is a wasteful number, since it uses less digits than its factorization.

1226644433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279231.

The product of its digits is 82944, while the sum is 35.

The square root of 1226644433 is about 35023.4840214391. The cubic root of 1226644433 is about 1070.4660481800.

The spelling of 1226644433 in words is "one billion, two hundred twenty-six million, six hundred forty-four thousand, four hundred thirty-three".