1442114221 has 4 divisors (see below), whose sum is σ = 1455592032. Its totient is φ = 1428636412.

The previous prime is 1442114189. The next prime is 1442114251. The reversal of 1442114221 is 1224112441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1224112441 = 41 ⋅29856401.

It is a cyclic number.

It is not a de Polignac number, because 1442114221 - 2⁵ = 1442114189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442114192 and 1442114201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442114251) 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 3 ways as a sum of consecutive naturals, for example, 6738745 + ... + 6738958.

It is an arithmetic number, because the mean of its divisors is an integer number (363898008).

Almost surely, 2^1442114221 is an apocalyptic number.

It is an amenable number.

1442114221 is a deficient number, since it is larger than the sum of its proper divisors (13477811).

1442114221 is a wasteful number, since it uses less digits than its factorization.

1442114221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13477810.

The product of its digits is 512, while the sum is 22.

The square root of 1442114221 is about 37975.1790120863. The cubic root of 1442114221 is about 1129.7956194438.

Adding to 1442114221 its reverse (1224112441), we get a palindrome (2666226662).

The spelling of 1442114221 in words is "one billion, four hundred forty-two million, one hundred fourteen thousand, two hundred twenty-one".