4002220000 has 120 divisors (see below), whose sum is σ = 9952389216. Its totient is φ = 1583616000.

The previous prime is 4002219997. The next prime is 4002220003. The reversal of 4002220000 is 222004.

It is a happy number.

4002220000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4002219997) and next prime (4002220003).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002220003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1938969 + ... + 1941031.

Almost surely, 2^4002220000 is an apocalyptic number.

4002220000 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 4002220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4976194608).

4002220000 is an abundant number, since it is smaller than the sum of its proper divisors (5950169216).

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

4002220000 is an equidigital number, since it uses as much as digits as its factorization.

4002220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2167 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 4002220000 is about 63263.1014099056. The cubic root of 4002220000 is about 1587.6946668508.

Adding to 4002220000 its reverse (222004), we get a palindrome (4002442004).

The spelling of 4002220000 in words is "four billion, two million, two hundred twenty thousand".