1442648228 has 24 divisors (see below), whose sum is σ = 3010745472. Its totient is φ = 591395904.

The previous prime is 1442648227. The next prime is 1442648243. The reversal of 1442648228 is 8228462441.

It is not an unprimeable number, because it can be changed into a prime (1442648227) 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, 1119425 + ... + 1120712.

It is an arithmetic number, because the mean of its divisors is an integer number (125447728).

Almost surely, 2^1442648228 is an apocalyptic number.

It is an amenable number.

1442648228 is an abundant number, since it is smaller than the sum of its proper divisors (1568097244).

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

1442648228 is a wasteful number, since it uses less digits than its factorization.

1442648228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240171 (or 2240169 counting only the distinct ones).

The product of its digits is 196608, while the sum is 41.

The square root of 1442648228 is about 37982.2093617525. The cubic root of 1442648228 is about 1129.9350546118.

The spelling of 1442648228 in words is "one billion, four hundred forty-two million, six hundred forty-eight thousand, two hundred twenty-eight".