4022505 has 24 divisors (see below), whose sum is σ = 7076160. Its totient is φ = 2113440.

The previous prime is 4022483. The next prime is 4022507. The reversal of 4022505 is 5052204.

It is not a de Polignac number, because 4022505 - 2⁶ = 4022441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022507) 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, 2566 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (294840).

Almost surely, 2^4022505 is an apocalyptic number.

4022505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4022505 is a deficient number, since it is larger than the sum of its proper divisors (3053655).

4022505 is a wasteful number, since it uses less digits than its factorization.

4022505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 4022505 is about 2005.6183585119. The cubic root of 4022505 is about 159.0372524556.

Adding to 4022505 its reverse (5052204), we get a palindrome (9074709).

The spelling of 4022505 in words is "four million, twenty-two thousand, five hundred five".