4022401 has 12 divisors (see below), whose sum is σ = 4358016. Its totient is φ = 3703920.

The previous prime is 4022383. The next prime is 4022407. The reversal of 4022401 is 1042204.

4022401 = T₃₉₀ + T₃₉₁ + ... + T₄₃₆.

It is not a de Polignac number, because 4022401 - 2⁹ = 4021889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022407) 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, 65911 + ... + 65971.

It is an arithmetic number, because the mean of its divisors is an integer number (363168).

Almost surely, 2^4022401 is an apocalyptic number.

It is an amenable number.

4022401 is a deficient number, since it is larger than the sum of its proper divisors (335615).

4022401 is an equidigital number, since it uses as much as digits as its factorization.

4022401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 4022401 is about 2005.5924311784. The cubic root of 4022401 is about 159.0358818324.

Adding to 4022401 its reverse (1042204), we get a palindrome (5064605).

The spelling of 4022401 in words is "four million, twenty-two thousand, four hundred one".