220201222237 has 2 divisors, whose sum is σ = 220201222238. Its totient is φ = 220201222236.

The previous prime is 220201222193. The next prime is 220201222253. The reversal of 220201222237 is 732222102022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152733237721 + 67467984516 = 390811^2 + 259746^2 .

It is a cyclic number.

It is not a de Polignac number, because 220201222237 - 2¹⁹ = 220200697949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220201222937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100611118 + 110100611119.

It is an arithmetic number, because the mean of its divisors is an integer number (110100611119).

Almost surely, 2^220201222237 is an apocalyptic number.

It is an amenable number.

220201222237 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201222237 is an equidigital number, since it uses as much as digits as its factorization.

220201222237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 220201222237 its reverse (732222102022), we get a palindrome (952423324259).

The spelling of 220201222237 in words is "two hundred twenty billion, two hundred one million, two hundred twenty-two thousand, two hundred thirty-seven".