2206221300 has 216 divisors, whose sum is σ = 7228349856. Its totient is φ = 583666560.

The previous prime is 2206221247. The next prime is 2206221317. The reversal of 2206221300 is 31226022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3960622 + ... + 3961178.

Almost surely, 2^2206221300 is an apocalyptic number.

2206221300 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 2206221300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3614174928).

2206221300 is an abundant number, since it is smaller than the sum of its proper divisors (5022128556).

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

2206221300 is a wasteful number, since it uses less digits than its factorization.

2206221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2206221300 is about 46970.4300597727. The cubic root of 2206221300 is about 1301.8162581289.

Adding to 2206221300 its reverse (31226022), we get a palindrome (2237447322).

The spelling of 2206221300 in words is "two billion, two hundred six million, two hundred twenty-one thousand, three hundred".