2144421424 has 10 divisors (see below), whose sum is σ = 4154816540. Its totient is φ = 1072210704.

The previous prime is 2144421379. The next prime is 2144421431. The reversal of 2144421424 is 4241244412.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2144421392 and 2144421401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67013154 + ... + 67013185.

It is an arithmetic number, because the mean of its divisors is an integer number (415481654).

Almost surely, 2^2144421424 is an apocalyptic number.

It is an amenable number.

2144421424 is a deficient number, since it is larger than the sum of its proper divisors (2010395116).

2144421424 is a wasteful number, since it uses less digits than its factorization.

2144421424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134026347 (or 134026341 counting only the distinct ones).

The product of its digits is 8192, while the sum is 28.

The square root of 2144421424 is about 46307.8980736548. The cubic root of 2144421424 is about 1289.5456252845.

Adding to 2144421424 its reverse (4241244412), we get a palindrome (6385665836).

The spelling of 2144421424 in words is "two billion, one hundred forty-four million, four hundred twenty-one thousand, four hundred twenty-four".