2219805000 has 640 divisors, whose sum is σ = 9222048000. Its totient is φ = 489888000.

The previous prime is 2219804959. The next prime is 2219805013. The reversal of 2219805000 is 5089122.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 76544986 + ... + 76545014.

It is an arithmetic number, because the mean of its divisors is an integer number (14409450).

Almost surely, 2^2219805000 is an apocalyptic number.

2219805000 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 2219805000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4611024000).

2219805000 is an abundant number, since it is smaller than the sum of its proper divisors (7002243000).

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

2219805000 is an frugal number, since it uses more digits than its factorization.

2219805000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2219805000 is about 47114.8065898609. The cubic root of 2219805000 is about 1304.4825534747.

The spelling of 2219805000 in words is "two billion, two hundred nineteen million, eight hundred five thousand".