22543325222001 has 4 divisors (see below), whose sum is σ = 30057766962672. Its totient is φ = 15028883481332.

The previous prime is 22543325221999. The next prime is 22543325222003. The reversal of 22543325222001 is 10022252334522.

It is a happy number.

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 (22543325221999) and next prime (22543325222003).

It is a cyclic number.

It is not a de Polignac number, because 22543325222001 - 2¹ = 22543325221999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22543325222003) 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, 3757220870331 + ... + 3757220870336.

It is an arithmetic number, because the mean of its divisors is an integer number (7514441740668).

Almost surely, 2^{22543325222001} is an apocalyptic number.

It is an amenable number.

22543325222001 is a deficient number, since it is larger than the sum of its proper divisors (7514441740671).

22543325222001 is an equidigital number, since it uses as much as digits as its factorization.

22543325222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7514441740670.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 22543325222001 its reverse (10022252334522), we get a palindrome (32565577556523).

The spelling of 22543325222001 in words is "twenty-two trillion, five hundred forty-three billion, three hundred twenty-five million, two hundred twenty-two thousand, one".