2243222100 has 180 divisors, whose sum is σ = 8310655584. Its totient is φ = 512723520.

The previous prime is 2243222089. The next prime is 2243222101. The reversal of 2243222100 is 12223422.

2243222100 is a `hidden beast` number, since 22 + 432 + 2 + 210 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243222101) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 36919 + ... + 76481.

Almost surely, 2^2243222100 is an apocalyptic number.

2243222100 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 2243222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4155327792).

2243222100 is an abundant number, since it is smaller than the sum of its proper divisors (6067433484).

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

2243222100 is a wasteful number, since it uses less digits than its factorization.

2243222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39596 (or 39580 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2243222100 is about 47362.6656766698. The cubic root of 2243222100 is about 1309.0535867674.

Adding to 2243222100 its reverse (12223422), we get a palindrome (2255445522).

The spelling of 2243222100 in words is "two billion, two hundred forty-three million, two hundred twenty-two thousand, one hundred".