1227345448 has 32 divisors (see below), whose sum is σ = 2633097600. Its totient is φ = 525390912.

The previous prime is 1227345443. The next prime is 1227345467. The reversal of 1227345448 is 8445437221.

It is a self number, because there is not a number n which added to its sum of digits gives 1227345448.

It is not an unprimeable number, because it can be changed into a prime (1227345443) 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, 37318 + ... + 62026.

It is an arithmetic number, because the mean of its divisors is an integer number (82284300).

Almost surely, 2^1227345448 is an apocalyptic number.

It is an amenable number.

1227345448 is an abundant number, since it is smaller than the sum of its proper divisors (1405752152).

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

1227345448 is a wasteful number, since it uses less digits than its factorization.

1227345448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25609 (or 25605 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 1227345448 is about 35033.4903770663. The cubic root of 1227345448 is about 1070.6699295523.

The spelling of 1227345448 in words is "one billion, two hundred twenty-seven million, three hundred forty-five thousand, four hundred forty-eight".