1442211420 has 96 divisors (see below), whose sum is σ = 4376893248. Its totient is φ = 352714752.

The previous prime is 1442211391. The next prime is 1442211437. The reversal of 1442211420 is 241122441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116572 + ... + 128348.

It is an arithmetic number, because the mean of its divisors is an integer number (45592638).

Almost surely, 2^1442211420 is an apocalyptic number.

1442211420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442211420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2188446624).

1442211420 is an abundant number, since it is smaller than the sum of its proper divisors (2934681828).

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

1442211420 is a wasteful number, since it uses less digits than its factorization.

1442211420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11959 (or 11957 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1442211420 is about 37976.4587606586. The cubic root of 1442211420 is about 1129.8210017461.

Adding to 1442211420 its reverse (241122441), we get a palindrome (1683333861).

The spelling of 1442211420 in words is "one billion, four hundred forty-two million, two hundred eleven thousand, four hundred twenty".