2142231424 has 64 divisors (see below), whose sum is σ = 4408603200. Its totient is φ = 1036288000.

The previous prime is 2142231419. The next prime is 2142231449. The reversal of 2142231424 is 4241322412.

It is a tau number, because it is divible by the number of its divisors (64).

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, 533424 + ... + 537424.

It is an arithmetic number, because the mean of its divisors is an integer number (68884425).

Almost surely, 2^2142231424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2142231424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2204301600).

2142231424 is an abundant number, since it is smaller than the sum of its proper divisors (2266371776).

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

2142231424 is an equidigital number, since it uses as much as digits as its factorization.

2142231424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151 (or 4139 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 2142231424 is about 46284.2459590734. The cubic root of 2142231424 is about 1289.1064910095.

Adding to 2142231424 its reverse (4241322412), we get a palindrome (6383553836).

The spelling of 2142231424 in words is "two billion, one hundred forty-two million, two hundred thirty-one thousand, four hundred twenty-four".