1442221415 has 8 divisors (see below), whose sum is σ = 1750111920. Its totient is φ = 1140812992.

The previous prime is 1442221411. The next prime is 1442221421. The reversal of 1442221415 is 5141222441.

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 1442221415 - 2² = 1442221411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442221411) 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, 1620029 + ... + 1620918.

It is an arithmetic number, because the mean of its divisors is an integer number (218763990).

Almost surely, 2^1442221415 is an apocalyptic number.

1442221415 is a deficient number, since it is larger than the sum of its proper divisors (307890505).

1442221415 is an equidigital number, since it uses as much as digits as its factorization.

1442221415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241041.

The product of its digits is 2560, while the sum is 26.

The square root of 1442221415 is about 37976.5903551122. The cubic root of 1442221415 is about 1129.8236117506.

Adding to 1442221415 its reverse (5141222441), we get a palindrome (6583443856).

The spelling of 1442221415 in words is "one billion, four hundred forty-two million, two hundred twenty-one thousand, four hundred fifteen".