24422400121 has 12 divisors (see below), whose sum is σ = 28417483380. Its totient is φ = 20927773440.

The previous prime is 24422400097. The next prime is 24422400127. The reversal of 24422400121 is 12100422442.

It can be written as a sum of positive squares in 2 ways, for example, as 17176985721 + 7245414400 = 131061^2 + 85120^2 .

It is not a de Polignac number, because 24422400121 - 2¹¹ = 24422398073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24422400092 and 24422400101.

It is not an unprimeable number, because it can be changed into a prime (24422400127) 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 11 ways as a sum of consecutive naturals, for example, 118561 + ... + 250801.

It is an arithmetic number, because the mean of its divisors is an integer number (2368123615).

Almost surely, 2^24422400121 is an apocalyptic number.

It is an amenable number.

24422400121 is a deficient number, since it is larger than the sum of its proper divisors (3995083259).

24422400121 is a wasteful number, since it uses less digits than its factorization.

24422400121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136024 (or 136017 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 24422400121 its reverse (12100422442), we get a palindrome (36522822563).

The spelling of 24422400121 in words is "twenty-four billion, four hundred twenty-two million, four hundred thousand, one hundred twenty-one".