22143222201 has 4 divisors (see below), whose sum is σ = 29524296272. Its totient is φ = 14762148132.

The previous prime is 22143222187. The next prime is 22143222289. The reversal of 22143222201 is 10222234122.

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 not a de Polignac number, because 22143222201 - 2⁵ = 22143222169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22143222601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3690537031 + ... + 3690537036.

It is an arithmetic number, because the mean of its divisors is an integer number (7381074068).

Almost surely, 2^22143222201 is an apocalyptic number.

It is an amenable number.

22143222201 is a deficient number, since it is larger than the sum of its proper divisors (7381074071).

22143222201 is an equidigital number, since it uses as much as digits as its factorization.

22143222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7381074070.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22143222201 its reverse (10222234122), we get a palindrome (32365456323).

The spelling of 22143222201 in words is "twenty-two billion, one hundred forty-three million, two hundred twenty-two thousand, two hundred one".