22501236240233 has 4 divisors (see below), whose sum is σ = 22979985947520. Its totient is φ = 22022486532948.

The previous prime is 22501236240227. The next prime is 22501236240239. The reversal of 22501236240233 is 33204263210522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (22501236240227) and next prime (22501236240239).

It is a cyclic number.

It is not a de Polignac number, because 22501236240233 - 2⁴⁴ = 4909050195817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22501236240193 and 22501236240202.

It is not an unprimeable number, because it can be changed into a prime (22501236240239) 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, 239374853573 + ... + 239374853666.

It is an arithmetic number, because the mean of its divisors is an integer number (5744996486880).

Almost surely, 2^{22501236240233} is an apocalyptic number.

It is an amenable number.

22501236240233 is a deficient number, since it is larger than the sum of its proper divisors (478749707287).

22501236240233 is an equidigital number, since it uses as much as digits as its factorization.

22501236240233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478749707286.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 22501236240233 its reverse (33204263210522), we get a palindrome (55705499450755).

The spelling of 22501236240233 in words is "twenty-two trillion, five hundred one billion, two hundred thirty-six million, two hundred forty thousand, two hundred thirty-three".