1442220430 has 48 divisors (see below), whose sum is σ = 3090106800. Its totient is φ = 482969088.

The previous prime is 1442220421. The next prime is 1442220433. The reversal of 1442220430 is 340222441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442220433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13155 + ... + 55294.

It is an arithmetic number, because the mean of its divisors is an integer number (64377225).

Almost surely, 2^1442220430 is an apocalyptic number.

1442220430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1442220430 is an abundant number, since it is smaller than the sum of its proper divisors (1647886370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442220430 is a wasteful number, since it uses less digits than its factorization.

1442220430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68513 (or 68506 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1442220430 is about 37976.5773865945. The cubic root of 1442220430 is about 1129.8233545371.

Adding to 1442220430 its reverse (340222441), we get a palindrome (1782442871).

The spelling of 1442220430 in words is "one billion, four hundred forty-two million, two hundred twenty thousand, four hundred thirty".