24221420233 has 4 divisors (see below), whose sum is σ = 24221852820. Its totient is φ = 24220987648.

The previous prime is 24221420231. The next prime is 24221420269. The reversal of 24221420233 is 33202412242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33202412242 = 2 ⋅16601206121.

It can be written as a sum of positive squares in 2 ways, for example, as 16237640329 + 7983779904 = 127427^2 + 89352^2 .

It is a cyclic number.

It is not a de Polignac number, because 24221420233 - 2¹ = 24221420231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24221420198 and 24221420207.

It is not an unprimeable number, because it can be changed into a prime (24221420231) 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, 117160 + ... + 249337.

It is an arithmetic number, because the mean of its divisors is an integer number (6055463205).

Almost surely, 2^24221420233 is an apocalyptic number.

It is an amenable number.

24221420233 is a deficient number, since it is larger than the sum of its proper divisors (432587).

24221420233 is an equidigital number, since it uses as much as digits as its factorization.

24221420233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432586.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 24221420233 its reverse (33202412242), we get a palindrome (57423832475).

The spelling of 24221420233 in words is "twenty-four billion, two hundred twenty-one million, four hundred twenty thousand, two hundred thirty-three".