2022401 has 2 divisors, whose sum is σ = 2022402. Its totient is φ = 2022400.

The previous prime is 2022389. The next prime is 2022403. The reversal of 2022401 is 1042202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1560001 + 462400 = 1249^2 + 680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022401 - 2¹⁰ = 2021377 is a prime.

Together with 2022403, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011200 + 1011201.

It is an arithmetic number, because the mean of its divisors is an integer number (1011201).

2^2022401 is an apocalyptic number.

It is an amenable number.

2022401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022401 is an equidigital number, since it uses as much as digits as its factorization.

2022401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2022401 is about 1422.1114583604. Note that the first 3 decimals coincide. The cubic root of 2022401 is about 126.4607511538.

Adding to 2022401 its reverse (1042202), we get a palindrome (3064603).

The spelling of 2022401 in words is "two million, twenty-two thousand, four hundred one".