220220222222201 has 8 divisors (see below), whose sum is σ = 233318912395464. Its totient is φ = 207137594210560.

The previous prime is 220220222222171. The next prime is 220220222222237. The reversal of 220220222222201 is 102222222022022.

It can be written as a sum of positive squares in 4 ways, for example, as 86313111535225 + 133907110686976 = 9290485^2 + 11571824^2 .

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 220220222222201 - 2²⁶ = 220220155113337 is a prime.

It is a super-2 number, since 2×220220222222201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220220222222801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4015512170 + ... + 4015567011.

It is an arithmetic number, because the mean of its divisors is an integer number (29164864049433).

Almost surely, 2^{220220222222201} is an apocalyptic number.

It is an amenable number.

220220222222201 is a deficient number, since it is larger than the sum of its proper divisors (13098690173263).

220220222222201 is a wasteful number, since it uses less digits than its factorization.

220220222222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8031080811.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 220220222222201 its reverse (102222222022022), we get a palindrome (322442444244223).

The spelling of 220220222222201 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred one".