1442216 has 16 divisors (see below), whose sum is σ = 2770740. Its totient is φ = 703360.

The previous prime is 1442209. The next prime is 1442227. The reversal of 1442216 is 6122441.

It can be written as a sum of positive squares in 2 ways, for example, as 1322500 + 119716 = 1150^2 + 346^2 .

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 3 ways as a sum of consecutive naturals, for example, 1871 + ... + 2526.

2^1442216 is an apocalyptic number.

It is an amenable number.

1442216 is a deficient number, since it is larger than the sum of its proper divisors (1328524).

1442216 is a wasteful number, since it uses less digits than its factorization.

1442216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444 (or 4440 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 1442216 is about 1200.9229783795. The cubic root of 1442216 is about 112.9822197728.

Adding to 1442216 its reverse (6122441), we get a palindrome (7564657).

The spelling of 1442216 in words is "one million, four hundred forty-two thousand, two hundred sixteen".