4421560 has 64 divisors (see below), whose sum is σ = 11702880. Its totient is φ = 1482240.

The previous prime is 4421539. The next prime is 4421567. The reversal of 4421560 is 651244.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5334 + ... + 6106.

Almost surely, 2^4421560 is an apocalyptic number.

4421560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4421560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5851440).

4421560 is an abundant number, since it is smaller than the sum of its proper divisors (7281320).

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

4421560 is a wasteful number, since it uses less digits than its factorization.

4421560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4421560 is about 2102.7505795981. The cubic root of 4421560 is about 164.1314631013.

It can be divided in two parts, 442 and 1560, that added together give a palindrome (2002).

The spelling of 4421560 in words is "four million, four hundred twenty-one thousand, five hundred sixty".