2200400244 has 72 divisors (see below), whose sum is σ = 6395829440. Its totient is φ = 624817152.

The previous prime is 2200400231. The next prime is 2200400261. The reversal of 2200400244 is 4420040022.

2200400244 is a `hidden beast` number, since 2 + 20 + 0 + 400 + 244 = 666.

It is a super-2 number, since 2×2200400244² = 9683522467590519072, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 14292 + ... + 67860.

Almost surely, 2^2200400244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2200400244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3197914720).

2200400244 is an abundant number, since it is smaller than the sum of its proper divisors (4195429196).

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

2200400244 is a wasteful number, since it uses less digits than its factorization.

2200400244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53749 (or 53744 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2200400244 is about 46908.4240195724. The cubic root of 2200400244 is about 1300.6703138754.

Adding to 2200400244 its reverse (4420040022), we get a palindrome (6620440266).

The spelling of 2200400244 in words is "two billion, two hundred million, four hundred thousand, two hundred forty-four".