2220155000 has 160 divisors (see below), whose sum is σ = 5992456800. Its totient is φ = 755136000.

The previous prime is 2220154999. The next prime is 2220155051. The reversal of 2220155000 is 5510222.

It is a self number, because there is not a number n which added to its sum of digits gives 2220155000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8014862 + ... + 8015138.

It is an arithmetic number, because the mean of its divisors is an integer number (37452855).

Almost surely, 2^2220155000 is an apocalyptic number.

2220155000 is a gapful number since it is divisible by the number (20) 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 2220155000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2996228400).

2220155000 is an abundant number, since it is smaller than the sum of its proper divisors (3772301800).

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

2220155000 is a wasteful number, since it uses less digits than its factorization.

2220155000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2220155000 is about 47118.5207747442. The cubic root of 2220155000 is about 1304.5511097818.

Adding to 2220155000 its reverse (5510222), we get a palindrome (2225665222).

The spelling of 2220155000 in words is "two billion, two hundred twenty million, one hundred fifty-five thousand".