2122200000 has 420 divisors, whose sum is σ = 7923102264. Its totient is φ = 561600000.

The previous prime is 2122199983. The next prime is 2122200029. The reversal of 2122200000 is 22212.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 16199935 + ... + 16200065.

Almost surely, 2^2122200000 is an apocalyptic number.

2122200000 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 2122200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3961551132).

2122200000 is an abundant number, since it is smaller than the sum of its proper divisors (5800902264).

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

2122200000 is an frugal number, since it uses more digits than its factorization.

2122200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2122200000 is about 46067.3420114510. The cubic root of 2122200000 is about 1285.0758735297.

Adding to 2122200000 its reverse (22212), we get a palindrome (2122222212).

The spelling of 2122200000 in words is "two billion, one hundred twenty-two million, two hundred thousand".