212422201 has 2 divisors, whose sum is σ = 212422202. Its totient is φ = 212422200.

The previous prime is 212422183. The next prime is 212422211. The reversal of 212422201 is 102224212.

212422201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193237801 + 19184400 = 13901^2 + 4380^2 .

It is a cyclic number.

It is not a de Polignac number, because 212422201 - 2⁹ = 212421689 is a prime.

It is not a weakly prime, because it can be changed into another prime (212422211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106211100 + 106211101.

It is an arithmetic number, because the mean of its divisors is an integer number (106211101).

Almost surely, 2^212422201 is an apocalyptic number.

It is an amenable number.

212422201 is a deficient number, since it is larger than the sum of its proper divisors (1).

212422201 is an equidigital number, since it uses as much as digits as its factorization.

212422201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 212422201 is about 14574.7110091418. The cubic root of 212422201 is about 596.6687621342.

Adding to 212422201 its reverse (102224212), we get a palindrome (314646413).

The spelling of 212422201 in words is "two hundred twelve million, four hundred twenty-two thousand, two hundred one".