24422331021 has 16 divisors (see below), whose sum is σ = 35532456960. Its totient is φ = 14797635120.

The previous prime is 24422331007. The next prime is 24422331029. The reversal of 24422331021 is 12013322442.

It is a happy number.

It is not a de Polignac number, because 24422331021 - 2¹⁸ = 24422068877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24422330982 and 24422331000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24422331029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39660 + ... + 224538.

It is an arithmetic number, because the mean of its divisors is an integer number (2220778560).

Almost surely, 2^24422331021 is an apocalyptic number.

It is an amenable number.

24422331021 is a deficient number, since it is larger than the sum of its proper divisors (11110125939).

24422331021 is a wasteful number, since it uses less digits than its factorization.

24422331021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188896.

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

Adding to 24422331021 its reverse (12013322442), we get a palindrome (36435653463).

The spelling of 24422331021 in words is "twenty-four billion, four hundred twenty-two million, three hundred thirty-one thousand, twenty-one".