2212220201237 has 2 divisors, whose sum is σ = 2212220201238. Its totient is φ = 2212220201236.

The previous prime is 2212220201201. The next prime is 2212220201267. The reversal of 2212220201237 is 7321020222122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2211603225316 + 616975921 = 1487146^2 + 24839^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212220201237 - 2⁴⁰ = 1112708573461 is a prime.

It is a super-2 number, since 2×2212220201237² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212220201267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106110100618 + 1106110100619.

It is an arithmetic number, because the mean of its divisors is an integer number (1106110100619).

Almost surely, 2^{2212220201237} is an apocalyptic number.

It is an amenable number.

2212220201237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212220201237 is an equidigital number, since it uses as much as digits as its factorization.

2212220201237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 2212220201237 its reverse (7321020222122), we get a palindrome (9533240423359).

The spelling of 2212220201237 in words is "two trillion, two hundred twelve billion, two hundred twenty million, two hundred one thousand, two hundred thirty-seven".