2022201 has 12 divisors (see below), whose sum is σ = 3093012. Its totient is φ = 1268736.

The previous prime is 2022191. The next prime is 2022217. The reversal of 2022201 is 1022202.

It can be written as a sum of positive squares in 2 ways, for example, as 1212201 + 810000 = 1101^2 + 900^2 .

It is not a de Polignac number, because 2022201 - 2¹¹ = 2020153 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6456 + ... + 6761.

It is an arithmetic number, because the mean of its divisors is an integer number (257751).

2^2022201 is an apocalyptic number.

It is an amenable number.

2022201 is a deficient number, since it is larger than the sum of its proper divisors (1070811).

2022201 is a wasteful number, since it uses less digits than its factorization.

2022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13240 (or 13237 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2022201 is about 1422.0411386454. The cubic root of 2022201 is about 126.4565823491.

Adding to 2022201 its reverse (1022202), we get a palindrome (3044403).

Subtracting from 2022201 its reverse (1022202), we obtain a palindrome (999999).

The spelling of 2022201 in words is "two million, twenty-two thousand, two hundred one".