220222222201 has 2 divisors, whose sum is σ = 220222222202. Its totient is φ = 220222222200.

The previous prime is 220222222193. The next prime is 220222222223. The reversal of 220222222201 is 102222222022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185588640000 + 34633582201 = 430800^2 + 186101^2 .

It is a cyclic number.

It is not a de Polignac number, because 220222222201 - 2³ = 220222222193 is a prime.

It is a super-2 number, since 2×220222222201² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220222223201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110111111100 + 110111111101.

It is an arithmetic number, because the mean of its divisors is an integer number (110111111101).

Almost surely, 2^220222222201 is an apocalyptic number.

It is an amenable number.

220222222201 is a deficient number, since it is larger than the sum of its proper divisors (1).

220222222201 is an equidigital number, since it uses as much as digits as its factorization.

220222222201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 220222222201 its reverse (102222222022), we get a palindrome (322444444223).

The spelling of 220222222201 in words is "two hundred twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred one".