402206201 has 4 divisors (see below), whose sum is σ = 402996900. Its totient is φ = 401415504.

The previous prime is 402206197. The next prime is 402206209. The reversal of 402206201 is 102602204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 292375801 + 109830400 = 17099^2 + 10480^2 .

It is a cyclic number.

It is not a de Polignac number, because 402206201 - 2² = 402206197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402206201.

It is not an unprimeable number, because it can be changed into a prime (402206209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394586 + ... + 395603.

It is an arithmetic number, because the mean of its divisors is an integer number (100749225).

Almost surely, 2^402206201 is an apocalyptic number.

It is an amenable number.

402206201 is a deficient number, since it is larger than the sum of its proper divisors (790699).

402206201 is an equidigital number, since it uses as much as digits as its factorization.

402206201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790698.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 402206201 is about 20055.0791820925. The cubic root of 402206201 is about 738.1584358592.

Adding to 402206201 its reverse (102602204), we get a palindrome (504808405).

The spelling of 402206201 in words is "four hundred two million, two hundred six thousand, two hundred one".