1226443008 has 144 divisors (see below), whose sum is σ = 3927096320. Its totient is φ = 331941888.

The previous prime is 1226442991. The next prime is 1226443061. The reversal of 1226443008 is 8003446221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96141 + ... + 108147.

Almost surely, 2^1226443008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226443008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1963548160).

1226443008 is an abundant number, since it is smaller than the sum of its proper divisors (2700653312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226443008 is a wasteful number, since it uses less digits than its factorization.

1226443008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12052 (or 12038 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1226443008 is about 35020.6083328088. The cubic root of 1226443008 is about 1070.4074518932.

Adding to 1226443008 its reverse (8003446221), we get a palindrome (9229889229).

The spelling of 1226443008 in words is "one billion, two hundred twenty-six million, four hundred forty-three thousand, eight".