1442221532 has 24 divisors (see below), whose sum is σ = 2635186176. Its totient is φ = 689348528.

The previous prime is 1442221523. The next prime is 1442221559. The reversal of 1442221532 is 2351222441.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 199493 + ... + 206595.

It is an arithmetic number, because the mean of its divisors is an integer number (109799424).

Almost surely, 2^1442221532 is an apocalyptic number.

It is an amenable number.

1442221532 is a deficient number, since it is larger than the sum of its proper divisors (1192964644).

1442221532 is a wasteful number, since it uses less digits than its factorization.

1442221532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9337 (or 9335 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 1442221532 is about 37976.5918955348. The cubic root of 1442221532 is about 1129.8236423029.

Adding to 1442221532 its reverse (2351222441), we get a palindrome (3793443973).

Subtracting 1442221532 from its reverse (2351222441), we obtain a palindrome (909000909).

The spelling of 1442221532 in words is "one billion, four hundred forty-two million, two hundred twenty-one thousand, five hundred thirty-two".