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2231021022 = 2323125912841
BaseRepresentation
bin1000010011111010…
…1010110111011110
312202111001121111020
42010332222313132
514032120133042
61005214305010
7106200236316
oct20476526736
95674047436
102231021022
11a4539812a
125231b8166
132972a32a9
14172434446
15d0ce83ec
hex84faadde

2231021022 has 32 divisors (see below), whose sum is σ = 4660104960. Its totient is φ = 710719680.

The previous prime is 2231020997. The next prime is 2231021033. The reversal of 2231021022 is 2201201322.

It is a happy number.

It is a super-3 number, since 3×22310210223 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231020992 and 2231021010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167322 + ... + 180162.

It is an arithmetic number, because the mean of its divisors is an integer number (145628280).

Almost surely, 22231021022 is an apocalyptic number.

2231021022 is an abundant number, since it is smaller than the sum of its proper divisors (2429083938).

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

2231021022 is a wasteful number, since it uses less digits than its factorization.

2231021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14128.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2231021022 is about 47233.6852468659. The cubic root of 2231021022 is about 1306.6759190683.

Adding to 2231021022 its reverse (2201201322), we get a palindrome (4432222344).

The spelling of 2231021022 in words is "two billion, two hundred thirty-one million, twenty-one thousand, twenty-two".

Divisors: 1 2 3 6 23 46 69 138 1259 2518 3777 7554 12841 25682 28957 38523 57914 77046 86871 173742 295343 590686 886029 1772058 16166819 32333638 48500457 97000914 371836837 743673674 1115510511 2231021022