404212201 has 4 divisors (see below), whose sum is σ = 408214404. Its totient is φ = 400210000.

The previous prime is 404212177. The next prime is 404212223. The reversal of 404212201 is 102212404.

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 166435801 + 237776400 = 12901^2 + 15420^2 .

It is a cyclic number.

It is not a de Polignac number, because 404212201 - 2²⁵ = 370657769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404212231) 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, 2000950 + ... + 2001151.

It is an arithmetic number, because the mean of its divisors is an integer number (102053601).

Almost surely, 2^404212201 is an apocalyptic number.

It is an amenable number.

404212201 is a deficient number, since it is larger than the sum of its proper divisors (4002203).

404212201 is a wasteful number, since it uses less digits than its factorization.

404212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002202.

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

The square root of 404212201 is about 20105.0292464348. The cubic root of 404212201 is about 739.3835876026.

Adding to 404212201 its reverse (102212404), we get a palindrome (506424605).

The spelling of 404212201 in words is "four hundred four million, two hundred twelve thousand, two hundred one".