2211201 has 24 divisors (see below), whose sum is σ = 3429920. Its totient is φ = 1368576.

The previous prime is 2211179. The next prime is 2211211. The reversal of 2211201 is 1021122.

It is not a de Polignac number, because 2211201 - 2¹⁵ = 2178433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2211211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11361 + ... + 11553.

2^2211201 is an apocalyptic number.

It is an amenable number.

2211201 is a deficient number, since it is larger than the sum of its proper divisors (1218719).

2211201 is a wasteful number, since it uses less digits than its factorization.

2211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2211201 is about 1487.0107598804. The cubic root of 2211201 is about 130.2794972754.

Adding to 2211201 its reverse (1021122), we get a palindrome (3232323).

The spelling of 2211201 in words is "two million, two hundred eleven thousand, two hundred one".