24000224221 has 4 divisors (see below), whose sum is σ = 24008957500. Its totient is φ = 23991490944.

The previous prime is 24000224219. The next prime is 24000224251. The reversal of 24000224221 is 12242200042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5433164100 + 18567060121 = 73710^2 + 136261^2 .

It is a cyclic number.

It is not a de Polignac number, because 24000224221 - 2¹ = 24000224219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24000224251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4362516 + ... + 4368013.

It is an arithmetic number, because the mean of its divisors is an integer number (6002239375).

Almost surely, 2^24000224221 is an apocalyptic number.

It is an amenable number.

24000224221 is a deficient number, since it is larger than the sum of its proper divisors (8733279).

24000224221 is an equidigital number, since it uses as much as digits as its factorization.

24000224221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8733278.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 24000224221 its reverse (12242200042), we get a palindrome (36242424263).

The spelling of 24000224221 in words is "twenty-four billion, two hundred twenty-four thousand, two hundred twenty-one".