402201211 has 8 divisors (see below), whose sum is σ = 414268400. Its totient is φ = 390197088.

The previous prime is 402201209. The next prime is 402201221. The reversal of 402201211 is 112102204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402201211 - 2¹ = 402201209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402201191 and 402201200.

It is not an unprimeable number, because it can be changed into a prime (402201221) 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 in 7 ways as a sum of consecutive naturals, for example, 2661 + ... + 28486.

It is an arithmetic number, because the mean of its divisors is an integer number (51783550).

Almost surely, 2^402201211 is an apocalyptic number.

402201211 is a deficient number, since it is larger than the sum of its proper divisors (12067189).

402201211 is a wasteful number, since it uses less digits than its factorization.

402201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31533.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 402201211 is about 20054.9547743195. The cubic root of 402201211 is about 738.1553831748.

Adding to 402201211 its reverse (112102204), we get a palindrome (514303415).

The spelling of 402201211 in words is "four hundred two million, two hundred one thousand, two hundred eleven".