1442221103 has 2 divisors, whose sum is σ = 1442221104. Its totient is φ = 1442221102.

The previous prime is 1442221093. The next prime is 1442221169. The reversal of 1442221103 is 3011222441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442221103 - 2⁸ = 1442220847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442220103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721110551 + 721110552.

It is an arithmetic number, because the mean of its divisors is an integer number (721110552).

Almost surely, 2^1442221103 is an apocalyptic number.

1442221103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442221103 is an equidigital number, since it uses as much as digits as its factorization.

1442221103 is an evil number, because the sum of its binary digits is even.

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

The square root of 1442221103 is about 37976.5862473182. The cubic root of 1442221103 is about 1129.8235302779.

Adding to 1442221103 its reverse (3011222441), we get a palindrome (4453443544).

The spelling of 1442221103 in words is "one billion, four hundred forty-two million, two hundred twenty-one thousand, one hundred three".