1442216115 has 12 divisors (see below), whose sum is σ = 2499841344. Its totient is φ = 769181904.

The previous prime is 1442216093. The next prime is 1442216129. The reversal of 1442216115 is 5116122441.

1442216115 is a `hidden beast` number, since 1 + 4 + 42 + 2 + 1 + 611 + 5 = 666.

It is not a de Polignac number, because 1442216115 - 2⁷ = 1442215987 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16024579 + ... + 16024668.

It is an arithmetic number, because the mean of its divisors is an integer number (208320112).

Almost surely, 2^1442216115 is an apocalyptic number.

1442216115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1442216115 is a deficient number, since it is larger than the sum of its proper divisors (1057625229).

1442216115 is a wasteful number, since it uses less digits than its factorization.

1442216115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32049258 (or 32049255 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1442216115 is about 37976.5205752186. The cubic root of 1442216115 is about 1129.8222277577.

Adding to 1442216115 its reverse (5116122441), we get a palindrome (6558338556).

The spelling of 1442216115 in words is "one billion, four hundred forty-two million, two hundred sixteen thousand, one hundred fifteen".