2809222350 has 96 divisors (see below), whose sum is σ = 7637189760. Its totient is φ = 677712000.

The previous prime is 2809222349. The next prime is 2809222357. The reversal of 2809222350 is 532229082.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2809222357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 344116 + ... + 352184.

It is an arithmetic number, because the mean of its divisors is an integer number (79554060).

Almost surely, 2^2809222350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2809222350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3818594880).

2809222350 is an abundant number, since it is smaller than the sum of its proper divisors (4827967410).

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

2809222350 is a wasteful number, since it uses less digits than its factorization.

2809222350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8306 (or 8301 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 2809222350 is about 53002.0976000007. The cubic root of 2809222350 is about 1411.0054947555.

The spelling of 2809222350 in words is "two billion, eight hundred nine million, two hundred twenty-two thousand, three hundred fifty".