4022544 has 40 divisors (see below), whose sum is σ = 10471552. Its totient is φ = 1330560.

The previous prime is 4022507. The next prime is 4022549. The reversal of 4022544 is 4452204.

It is a self number, because there is not a number n which added to its sum of digits gives 4022544.

It is not an unprimeable number, because it can be changed into a prime (4022549) 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, 8457 + ... + 8919.

Almost surely, 2^4022544 is an apocalyptic number.

It is an amenable number.

4022544 is an abundant number, since it is smaller than the sum of its proper divisors (6449008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4022544 is a wasteful number, since it uses less digits than its factorization.

4022544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4022544 is about 2005.6280811756. The cubic root of 4022544 is about 159.0377664333.

Adding to 4022544 its reverse (4452204), we get a palindrome (8474748).

The spelling of 4022544 in words is "four million, twenty-two thousand, five hundred forty-four".