1226624443 has 8 divisors (see below), whose sum is σ = 1416849840. Its totient is φ = 1049518080.

The previous prime is 1226624437. The next prime is 1226624449. The reversal of 1226624443 is 3444266221.

It is an interprime number because it is at equal distance from previous prime (1226624437) and next prime (1226624449).

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 1226624443 - 2⁵ = 1226624411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1226624399 and 1226624408.

It is not an unprimeable number, because it can be changed into a prime (1226624449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3279558 + ... + 3279931.

It is an arithmetic number, because the mean of its divisors is an integer number (177106230).

Almost surely, 2^1226624443 is an apocalyptic number.

1226624443 is a deficient number, since it is larger than the sum of its proper divisors (190225397).

1226624443 is a wasteful number, since it uses less digits than its factorization.

1226624443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6559517.

The product of its digits is 55296, while the sum is 34.

The square root of 1226624443 is about 35023.1986403298. The cubic root of 1226624443 is about 1070.4602332016.

The spelling of 1226624443 in words is "one billion, two hundred twenty-six million, six hundred twenty-four thousand, four hundred forty-three".