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BaseRepresentation
bin1000010110110011…
…0111010001001100
312210022211211111100
42011230313101030
514043220133234
61010330023100
7106405202622
oct20554672114
95708754440
102243130444
11a51209115
12527277a90
13299953029
14173ca7512
15d1ddb399
hex85b3744c

2243130444 has 36 divisors (see below), whose sum is σ = 5738457816. Its totient is φ = 738700608.

The previous prime is 2243130427. The next prime is 2243130451. The reversal of 2243130444 is 4440313422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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, 372369 + ... + 378344.

It is an arithmetic number, because the mean of its divisors is an integer number (159401606).

Almost surely, 22243130444 is an apocalyptic number.

It is an amenable number.

2243130444 is an abundant number, since it is smaller than the sum of its proper divisors (3495327372).

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

2243130444 is a wasteful number, since it uses less digits than its factorization.

2243130444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750806 (or 750801 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2243130444 is about 47361.6980692204. The cubic root of 2243130444 is about 1309.0357576144.

Adding to 2243130444 its reverse (4440313422), we get a palindrome (6683443866).

The spelling of 2243130444 in words is "two billion, two hundred forty-three million, one hundred thirty thousand, four hundred forty-four".