1366544228 has 48 divisors (see below), whose sum is σ = 2757452544. Its totient is φ = 580469760.

The previous prime is 1366544213. The next prime is 1366544237. The reversal of 1366544228 is 8224456631.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2111801 + ... + 2112447.

It is an arithmetic number, because the mean of its divisors is an integer number (57446928).

Almost surely, 2^1366544228 is an apocalyptic number.

It is an amenable number.

1366544228 is an abundant number, since it is smaller than the sum of its proper divisors (1390908316).

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

1366544228 is a wasteful number, since it uses less digits than its factorization.

1366544228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 1210 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 1366544228 is about 36966.7989958557. The cubic root of 1366544228 is about 1109.7059059084.

The spelling of 1366544228 in words is "one billion, three hundred sixty-six million, five hundred forty-four thousand, two hundred twenty-eight".