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2221231033 = 71797192431
BaseRepresentation
bin1000010001100101…
…0100101110111001
312201210122020011001
42010121110232321
514022113343113
61004224405001
7106021103140
oct20431245671
95653566131
102221231033
11a3a91082a
1251ba76761
132952561b8
14171006757
15d00127dd
hex84654bb9

2221231033 has 16 divisors (see below), whose sum is σ = 2715600384. Its totient is φ = 1773434880.

The previous prime is 2221231013. The next prime is 2221231037. The reversal of 2221231033 is 3301321222.

It is not a de Polignac number, because 2221231033 - 29 = 2221230521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221231033.

It is not an unprimeable number, because it can be changed into a prime (2221231037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84673 + ... + 107758.

It is an arithmetic number, because the mean of its divisors is an integer number (169725024).

Almost surely, 22221231033 is an apocalyptic number.

It is an amenable number.

2221231033 is a deficient number, since it is larger than the sum of its proper divisors (494369351).

2221231033 is a wasteful number, since it uses less digits than its factorization.

2221231033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192552.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2221231033 is about 47129.9377572260. The cubic root of 2221231033 is about 1304.7618328055.

Adding to 2221231033 its reverse (3301321222), we get a palindrome (5522552255).

The spelling of 2221231033 in words is "two billion, two hundred twenty-one million, two hundred thirty-one thousand, thirty-three".

Divisors: 1 7 17 97 119 679 1649 11543 192431 1347017 3271327 18665807 22899289 130660649 317318719 2221231033