24025045221 has 12 divisors (see below), whose sum is σ = 34704202572. Its totient is φ = 16016069376.

The previous prime is 24025045217. The next prime is 24025045237. The reversal of 24025045221 is 12254052042.

It can be written as a sum of positive squares in 2 ways, for example, as 10309356225 + 13715688996 = 101535^2 + 117114^2 .

It is not a de Polignac number, because 24025045221 - 2² = 24025045217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24025045211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368155 + ... + 428471.

It is an arithmetic number, because the mean of its divisors is an integer number (2892016881).

Almost surely, 2^24025045221 is an apocalyptic number.

It is an amenable number.

24025045221 is a deficient number, since it is larger than the sum of its proper divisors (10679157351).

24025045221 is a wasteful number, since it uses less digits than its factorization.

24025045221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104580 (or 104577 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 24025045221 its reverse (12254052042), we get a palindrome (36279097263).

The spelling of 24025045221 in words is "twenty-four billion, twenty-five million, forty-five thousand, two hundred twenty-one".