1442421425 has 12 divisors (see below), whose sum is σ = 1866368640. Its totient is φ = 1103765520.

The previous prime is 1442421397. The next prime is 1442421467. The reversal of 1442421425 is 5241242441.

It is a happy number.

It is not a de Polignac number, because 1442421425 - 2¹⁰ = 1442420401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1253705 + ... + 1254854.

It is an arithmetic number, because the mean of its divisors is an integer number (155530720).

Almost surely, 2^1442421425 is an apocalyptic number.

It is an amenable number.

1442421425 is a deficient number, since it is larger than the sum of its proper divisors (423947215).

1442421425 is a wasteful number, since it uses less digits than its factorization.

1442421425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508592 (or 2508587 counting only the distinct ones).

The product of its digits is 10240, while the sum is 29.

The square root of 1442421425 is about 37979.2235965929. The cubic root of 1442421425 is about 1129.8758380299.

Adding to 1442421425 its reverse (5241242441), we get a palindrome (6683663866).

The spelling of 1442421425 in words is "one billion, four hundred forty-two million, four hundred twenty-one thousand, four hundred twenty-five".