4002220500 has 96 divisors (see below), whose sum is σ = 11726682240. Its totient is φ = 1060646400.

The previous prime is 4002220493. The next prime is 4002220531. The reversal of 4002220500 is 50222004.

4002220500 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 4002220500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236316 + ... + 252684.

It is an arithmetic number, because the mean of its divisors is an integer number (122152940).

Almost surely, 2^4002220500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4002220500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5863341120).

4002220500 is an abundant number, since it is smaller than the sum of its proper divisors (7724461740).

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

4002220500 is a wasteful number, since it uses less digits than its factorization.

4002220500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16554 (or 16542 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 4002220500 is about 63263.1053616561. The cubic root of 4002220500 is about 1587.6947329680.

Adding to 4002220500 its reverse (50222004), we get a palindrome (4052442504).

The spelling of 4002220500 in words is "four billion, two million, two hundred twenty thousand, five hundred".