1226408448 has 40 divisors (see below), whose sum is σ = 3267232848. Its totient is φ = 408802304.

The previous prime is 1226408423. The next prime is 1226408467. The reversal of 1226408448 is 8448046221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397686 + ... + 400757.

Almost surely, 2^1226408448 is an apocalyptic number.

It is an amenable number.

1226408448 is an abundant number, since it is smaller than the sum of its proper divisors (2040824400).

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

1226408448 is an frugal number, since it uses more digits than its factorization.

1226408448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798464 (or 798448 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

The square root of 1226408448 is about 35020.1149055796. The cubic root of 1226408448 is about 1070.3973974434.

The spelling of 1226408448 in words is "one billion, two hundred twenty-six million, four hundred eight thousand, four hundred forty-eight".