24052221 has 10 divisors (see below), whose sum is σ = 35929982. Its totient is φ = 16034760.

The previous prime is 24052219. The next prime is 24052283. The reversal of 24052221 is 12225042.

It can be written as a sum of positive squares in only one way, i.e., 22325625 + 1726596 = 4725^2 + 1314^2 .

It is not a de Polignac number, because 24052221 - 2¹ = 24052219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24052194 and 24052203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24052201) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 148390 + ... + 148551.

Almost surely, 2^24052221 is an apocalyptic number.

It is an amenable number.

24052221 is a deficient number, since it is larger than the sum of its proper divisors (11877761).

24052221 is an equidigital number, since it uses as much as digits as its factorization.

24052221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296953 (or 296944 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 24052221 is about 4904.3063729747. The cubic root of 24052221 is about 288.6589728251.

Adding to 24052221 its reverse (12225042), we get a palindrome (36277263).

The spelling of 24052221 in words is "twenty-four million, fifty-two thousand, two hundred twenty-one".