22223122001 has 4 divisors (see below), whose sum is σ = 22695954432. Its totient is φ = 21750289572.

The previous prime is 22223121989. The next prime is 22223122021. The reversal of 22223122001 is 10022132222.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10022132222 = 2 ⋅5011066111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22223122001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22223122021) 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, 236416145 + ... + 236416238.

It is an arithmetic number, because the mean of its divisors is an integer number (5673988608).

Almost surely, 2^22223122001 is an apocalyptic number.

It is an amenable number.

22223122001 is a deficient number, since it is larger than the sum of its proper divisors (472832431).

22223122001 is an equidigital number, since it uses as much as digits as its factorization.

22223122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472832430.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22223122001 its reverse (10022132222), we get a palindrome (32245254223).

The spelling of 22223122001 in words is "twenty-two billion, two hundred twenty-three million, one hundred twenty-two thousand, one".