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2231222021022 = 234495923139831
BaseRepresentation
bin100000011101111111001…
…100100010101110011110
321220022011200212112112110
4200131333030202232132
5243024020314133042
64425001555214450
7320125522153311
oct40357714425636
97808150775473
102231222021022
1179028a732545
123005138a7426
131325321800a7
1479dc53dc978
153d08c4b609c
hex2077f322b9e

2231222021022 has 32 divisors (see below), whose sum is σ = 4473169747200. Its totient is φ = 741953640960.

The previous prime is 2231222020981. The next prime is 2231222021023. The reversal of 2231222021022 is 2201202221322.

It is a super-3 number, since 3×22312220210223 (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231222021022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231222021023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15886647 + ... + 16026477.

It is an arithmetic number, because the mean of its divisors is an integer number (139786554600).

Almost surely, 22231222021022 is an apocalyptic number.

2231222021022 is an abundant number, since it is smaller than the sum of its proper divisors (2241947726178).

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

2231222021022 is a wasteful number, since it uses less digits than its factorization.

2231222021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146208.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2231222021022 its reverse (2201202221322), we get a palindrome (4432424242344).

The spelling of 2231222021022 in words is "two trillion, two hundred thirty-one billion, two hundred twenty-two million, twenty-one thousand, twenty-two".

Divisors: 1 2 3 6 449 898 1347 2694 5923 11846 17769 35538 139831 279662 419493 838986 2659427 5318854 7978281 15956562 62784119 125568238 188352357 376704714 828219013 1656438026 2484657039 4969314078 371870336837 743740673674 1115611010511 2231222021022