22201134221 has 8 divisors (see below), whose sum is σ = 25962788544. Its totient is φ = 18586995840.

The previous prime is 22201134187. The next prime is 22201134289. The reversal of 22201134221 is 12243110222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22201134221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22201134193 and 22201134202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201134821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36878660 + ... + 36879261.

It is an arithmetic number, because the mean of its divisors is an integer number (3245348568).

Almost surely, 2^22201134221 is an apocalyptic number.

It is an amenable number.

22201134221 is a deficient number, since it is larger than the sum of its proper divisors (3761654323).

22201134221 is an equidigital number, since it uses as much as digits as its factorization.

22201134221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73757971.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22201134221 its reverse (12243110222), we get a palindrome (34444244443).

The spelling of 22201134221 in words is "twenty-two billion, two hundred one million, one hundred thirty-four thousand, two hundred twenty-one".