2200000000 has 180 divisors, whose sum is σ = 5994137556. Its totient is φ = 800000000.

The previous prime is 2199999973. The next prime is 2200000009. The reversal of 2200000000 is 22.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200000009) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 199999995 + ... + 200000005.

Almost surely, 2^2200000000 is an apocalyptic number.

2200000000 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 2200000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2997068778).

2200000000 is an abundant number, since it is smaller than the sum of its proper divisors (3794137556).

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

2200000000 is an frugal number, since it uses more digits than its factorization.

2200000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 4.

The square root of 2200000000 is about 46904.1575982343. The cubic root of 2200000000 is about 1300.5914468514.

Adding to 2200000000 its reverse (22), we get a palindrome (2200000022).

Multiplying 2200000000 by its reverse (22), we get a square (48400000000 = 220000²).

2200000000 divided by its reverse (22) gives a 8-th power (100000000 = 10⁸).

It can be divided in two parts, 2 and 200000000, that multiplied together give a square (400000000 = 20000²).

The spelling of 2200000000 in words is "two billion, two hundred million", and thus it is an aban number.