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2223805122 = 23272111797139
BaseRepresentation
bin1000010010001100…
…1001001011000010
312201222111000010200
42010203021023002
514023243230442
61004355510030
7106052013600
oct20443111302
95658430120
102223805122
11a41309780
125208b8316
13295947a26
141714b6870
15d037034c
hex848c92c2

2223805122 has 288 divisors, whose sum is σ = 6587904960. Its totient is φ = 534159360.

The previous prime is 2223805093. The next prime is 2223805127. The reversal of 2223805122 is 2215083222.

It is not an unprimeable number, because it can be changed into a prime (2223805127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15998529 + ... + 15998667.

It is an arithmetic number, because the mean of its divisors is an integer number (22874670).

Almost surely, 22223805122 is an apocalyptic number.

2223805122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2223805122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3293952480).

2223805122 is an abundant number, since it is smaller than the sum of its proper divisors (4364099838).

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

2223805122 is a wasteful number, since it uses less digits than its factorization.

2223805122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2223805122 is about 47157.2382779145. The cubic root of 2223805122 is about 1305.2656490073.

Adding to 2223805122 its reverse (2215083222), we get a palindrome (4438888344).

The spelling of 2223805122 in words is "two billion, two hundred twenty-three million, eight hundred five thousand, one hundred twenty-two".