1442225215 has 8 divisors (see below), whose sum is σ = 1745986608. Its totient is φ = 1143569280.

The previous prime is 1442225177. The next prime is 1442225231. The reversal of 1442225215 is 5125222441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1442225215 - 2²⁷ = 1308007487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275741 + ... + 1276870.

It is an arithmetic number, because the mean of its divisors is an integer number (218248326).

Almost surely, 2^1442225215 is an apocalyptic number.

1442225215 is a deficient number, since it is larger than the sum of its proper divisors (303761393).

1442225215 is a wasteful number, since it uses less digits than its factorization.

1442225215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552729.

The product of its digits is 6400, while the sum is 28.

The square root of 1442225215 is about 37976.6403859004. The cubic root of 1442225215 is about 1129.8246040453.

Adding to 1442225215 its reverse (5125222441), we get a palindrome (6567447656).

The spelling of 1442225215 in words is "one billion, four hundred forty-two million, two hundred twenty-five thousand, two hundred fifteen".