22022212222201 has 8 divisors (see below), whose sum is σ = 22051162120680. Its totient is φ = 21993263136768.

The previous prime is 22022212222093. The next prime is 22022212222223. The reversal of 22022212222201 is 10222221222022.

It can be written as a sum of positive squares in 4 ways, for example, as 24011052025 + 21998201170176 = 154955^2 + 4690224^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22022212222201 - 2²⁹ = 22021675351289 is a prime.

It is a super-3 number, since 3×22022212222201³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22022212222601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69803925 + ... + 70118701.

It is an arithmetic number, because the mean of its divisors is an integer number (2756395265085).

Almost surely, 2^{22022212222201} is an apocalyptic number.

It is an amenable number.

22022212222201 is a deficient number, since it is larger than the sum of its proper divisors (28949898479).

22022212222201 is an equidigital number, since it uses as much as digits as its factorization.

22022212222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406523.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22022212222201 its reverse (10222221222022), we get a palindrome (32244433444223).

The spelling of 22022212222201 in words is "twenty-two trillion, twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, two hundred one".