1442060221 has 8 divisors (see below), whose sum is σ = 1648354880. Its totient is φ = 1235837088.

The previous prime is 1442060167. The next prime is 1442060261. The reversal of 1442060221 is 1220602441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1442060221 - 2⁹ = 1442059709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442060192 and 1442060201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442060261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36265 + ... + 64801.

It is an arithmetic number, because the mean of its divisors is an integer number (206044360).

Almost surely, 2^1442060221 is an apocalyptic number.

It is an amenable number.

1442060221 is a deficient number, since it is larger than the sum of its proper divisors (206294659).

1442060221 is an equidigital number, since it uses as much as digits as its factorization.

1442060221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35763.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1442060221 is about 37974.4680147069. The cubic root of 1442060221 is about 1129.7815175269.

Adding to 1442060221 its reverse (1220602441), we get a palindrome (2662662662).

The spelling of 1442060221 in words is "one billion, four hundred forty-two million, sixty thousand, two hundred twenty-one".