2122443321 has 16 divisors (see below), whose sum is σ = 2974006464. Its totient is φ = 1344700224.

The previous prime is 2122443311. The next prime is 2122443331. The reversal of 2122443321 is 1233442212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2122443311) and next prime (2122443331).

It is not a de Polignac number, because 2122443321 - 2¹⁴ = 2122426937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122443291 and 2122443300.

It is not an unprimeable number, because it can be changed into a prime (2122443311) 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 15 ways as a sum of consecutive naturals, for example, 217566 + ... + 227111.

It is an arithmetic number, because the mean of its divisors is an integer number (185875404).

Almost surely, 2^2122443321 is an apocalyptic number.

It is an amenable number.

2122443321 is a deficient number, since it is larger than the sum of its proper divisors (851563143).

2122443321 is a wasteful number, since it uses less digits than its factorization.

2122443321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444760.

The product of its digits is 2304, while the sum is 24.

The square root of 2122443321 is about 46069.9828630313. The cubic root of 2122443321 is about 1285.1249851429.

Adding to 2122443321 its reverse (1233442212), we get a palindrome (3355885533).

The spelling of 2122443321 in words is "two billion, one hundred twenty-two million, four hundred forty-three thousand, three hundred twenty-one".