1442188 has 24 divisors (see below), whose sum is σ = 2797200. Its totient is φ = 645120.

The previous prime is 1442173. The next prime is 1442191. The reversal of 1442188 is 8812441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2988 + ... + 3436.

It is an arithmetic number, because the mean of its divisors is an integer number (116550).

2^1442188 is an apocalyptic number.

It is an amenable number.

1442188 is a deficient number, since it is larger than the sum of its proper divisors (1355012).

1442188 is a wasteful number, since it uses less digits than its factorization.

1442188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 535 counting only the distinct ones).

The product of its digits is 2048, while the sum is 28.

The square root of 1442188 is about 1200.9113206228. The cubic root of 1442188 is about 112.9814886011.

It can be divided in two parts, 144 and 2188, that added together give a palindrome (2332).

The spelling of 1442188 in words is "one million, four hundred forty-two thousand, one hundred eighty-eight".