2201001 has 8 divisors (see below), whose sum is σ = 3201504. Its totient is φ = 1333920.

The previous prime is 2200997. The next prime is 2201033. The reversal of 2201001 is 1001022.

It is a happy number.

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

It is not a de Polignac number, because 2201001 - 2² = 2200997 is a prime.

It is a Curzon number.

2201001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2201051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33316 + ... + 33381.

It is an arithmetic number, because the mean of its divisors is an integer number (400188).

2^2201001 is an apocalyptic number.

It is an amenable number.

2201001 is a deficient number, since it is larger than the sum of its proper divisors (1000503).

2201001 is a wasteful number, since it uses less digits than its factorization.

2201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66711.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 2201001 is about 1483.5770960756. The cubic root of 2201001 is about 130.0788673311.

Adding to 2201001 its reverse (1001022), we get a palindrome (3202023).

It can be divided in two parts, 220 and 1001, that added together give a palindrome (1221).

The spelling of 2201001 in words is "two million, two hundred one thousand, one".