4421213120 has 112 divisors (see below), whose sum is σ = 11207727648. Its totient is φ = 1655439360.

The previous prime is 4421213089. The next prime is 4421213123. The reversal of 4421213120 is 213121244.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4421213092 and 4421213101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421213123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1047815 + ... + 1052025.

Almost surely, 2^4421213120 is an apocalyptic number.

4421213120 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 4421213120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5603863824).

4421213120 is an abundant number, since it is smaller than the sum of its proper divisors (6786514528).

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

4421213120 is a wasteful number, since it uses less digits than its factorization.

4421213120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438 (or 4428 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4421213120 is about 66492.2034527357. The cubic root of 4421213120 is about 1641.2717084462.

Adding to 4421213120 its reverse (213121244), we get a palindrome (4634334364).

The spelling of 4421213120 in words is "four billion, four hundred twenty-one million, two hundred thirteen thousand, one hundred twenty".