4022405 has 8 divisors (see below), whose sum is σ = 4982784. Its totient is φ = 3114000.

The previous prime is 4022383. The next prime is 4022407. The reversal of 4022405 is 5042204.

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

It is not a de Polignac number, because 4022405 - 2⁶ = 4022341 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 7 ways as a sum of consecutive naturals, for example, 12821 + ... + 13130.

It is an arithmetic number, because the mean of its divisors is an integer number (622848).

Almost surely, 2^4022405 is an apocalyptic number.

It is an amenable number.

4022405 is a deficient number, since it is larger than the sum of its proper divisors (960379).

4022405 is a wasteful number, since it uses less digits than its factorization.

4022405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25987.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4022405 is about 2005.5934283897. The cubic root of 4022405 is about 159.0359345491.

Adding to 4022405 its reverse (5042204), we get a palindrome (9064609).

The spelling of 4022405 in words is "four million, twenty-two thousand, four hundred five".