22220122201 has 4 divisors (see below), whose sum is σ = 22382313012. Its totient is φ = 22057931392.

The previous prime is 22220122193. The next prime is 22220122207. The reversal of 22220122201 is 10222102222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10222102222 = 2 ⋅5111051111.

It can be written as a sum of positive squares in 2 ways, for example, as 18523482201 + 3696640000 = 136101^2 + 60800^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220122201 - 2³ = 22220122193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220122207) 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, 81095200 + ... + 81095473.

It is an arithmetic number, because the mean of its divisors is an integer number (5595578253).

Almost surely, 2^22220122201 is an apocalyptic number.

It is an amenable number.

22220122201 is a deficient number, since it is larger than the sum of its proper divisors (162190811).

22220122201 is a wasteful number, since it uses less digits than its factorization.

22220122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162190810.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22220122201 its reverse (10222102222), we get a palindrome (32442224423).

The spelling of 22220122201 in words is "twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, two hundred one".