1442222011 has 4 divisors (see below), whose sum is σ = 1443389152. Its totient is φ = 1441054872.

The previous prime is 1442222009. The next prime is 1442222057. The reversal of 1442222011 is 1102222441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1442222011 - 2¹ = 1442222009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442222011.

It is not an unprimeable number, because it can be changed into a prime (1442222311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581715 + ... + 584188.

It is an arithmetic number, because the mean of its divisors is an integer number (360847288).

Almost surely, 2^1442222011 is an apocalyptic number.

1442222011 is a deficient number, since it is larger than the sum of its proper divisors (1167141).

1442222011 is a wasteful number, since it uses less digits than its factorization.

1442222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167140.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1442222011 is about 37976.5982020507. The cubic root of 1442222011 is about 1129.8237673843.

Adding to 1442222011 its reverse (1102222441), we get a palindrome (2544444452).

The spelling of 1442222011 in words is "one billion, four hundred forty-two million, two hundred twenty-two thousand, eleven".