396622201 has 2 divisors, whose sum is σ = 396622202. Its totient is φ = 396622200.

The previous prime is 396622199. The next prime is 396622211. The reversal of 396622201 is 102226693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394062201 + 2560000 = 19851^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 396622201 - 2¹ = 396622199 is a prime.

Together with 396622199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (396622211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198311100 + 198311101.

It is an arithmetic number, because the mean of its divisors is an integer number (198311101).

Almost surely, 2^396622201 is an apocalyptic number.

It is an amenable number.

396622201 is a deficient number, since it is larger than the sum of its proper divisors (1).

396622201 is an equidigital number, since it uses as much as digits as its factorization.

396622201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 396622201 is about 19915.3759944421. The cubic root of 396622201 is about 734.7264479422.

Adding to 396622201 its reverse (102226693), we get a palindrome (498848894).

The spelling of 396622201 in words is "three hundred ninety-six million, six hundred twenty-two thousand, two hundred one".