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2222021332231 = 2417939189767
BaseRepresentation
bin100000010101011010110…
…010101100110100000111
321212102102111011010020221
4200111122302230310013
5242401144430112411
64420441004405211
7316351521455611
oct40253262546407
97772374133227
102222021332231
11787399128908
122ba786546807
131316c6c6413c
14797914a5db1
153cbee896071
hex2055acacd07

2222021332231 has 4 divisors (see below), whose sum is σ = 2222030763792. Its totient is φ = 2222011900672.

The previous prime is 2222021332199. The next prime is 2222021332259. The reversal of 2222021332231 is 1322331202222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2222021332231 - 25 = 2222021332199 is a prime.

It is a super-2 number, since 2×22220213322312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222021332196 and 2222021332205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222021302231) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4353091 + ... + 4836676.

It is an arithmetic number, because the mean of its divisors is an integer number (555507690948).

Almost surely, 22222021332231 is an apocalyptic number.

2222021332231 is a deficient number, since it is larger than the sum of its proper divisors (9431561).

2222021332231 is an equidigital number, since it uses as much as digits as its factorization.

2222021332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9431560.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2222021332231 its reverse (1322331202222), we get a palindrome (3544352534453).

The spelling of 2222021332231 in words is "two trillion, two hundred twenty-two billion, twenty-one million, three hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 241793 9189767 2222021332231