2200006944 has 72 divisors (see below), whose sum is σ = 6311728332. Its totient is φ = 726835200.

The previous prime is 2200006937. The next prime is 2200006981. The reversal of 2200006944 is 4496000022.

It can be written as a sum of positive squares in 2 ways, for example, as 2191363344 + 8643600 = 46812^2 + 2940^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1257 + ... + 66344.

Almost surely, 2^2200006944 is an apocalyptic number.

2200006944 is a gapful number since it is divisible by the number (24) 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 2200006944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3155864166).

2200006944 is an abundant number, since it is smaller than the sum of its proper divisors (4111721388).

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

2200006944 is a wasteful number, since it uses less digits than its factorization.

2200006944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67730 (or 67719 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2200006944 is about 46904.2316214646. The cubic root of 2200006944 is about 1300.5928152298.

Adding to 2200006944 its reverse (4496000022), we get a palindrome (6696006966).

The spelling of 2200006944 in words is "two billion, two hundred million, six thousand, nine hundred forty-four".