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22122112201 = 717917655317
BaseRepresentation
bin10100100110100101…
…001010010011001001
32010002201122201220221
4110212211022103021
5330301230042301
614055053350041
71412130564640
oct244645122311
963081581827
1022122112201
1194223a0362
124354798321
132117238427
1410dc08a357
158971eeda1
hex52694a4c9

22122112201 has 8 divisors (see below), whose sum is σ = 25423657920. Its totient is φ = 18855877488.

The previous prime is 22122112183. The next prime is 22122112237. The reversal of 22122112201 is 10221122122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22122112201 - 213 = 22122104009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122115201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8826406 + ... + 8828911.

It is an arithmetic number, because the mean of its divisors is an integer number (3177957240).

Almost surely, 222122112201 is an apocalyptic number.

It is an amenable number.

22122112201 is a deficient number, since it is larger than the sum of its proper divisors (3301545719).

22122112201 is a wasteful number, since it uses less digits than its factorization.

22122112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17655503.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22122112201 its reverse (10221122122), we get a palindrome (32343234323).

The spelling of 22122112201 in words is "twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, two hundred one".

Divisors: 1 7 179 1253 17655317 123587219 3160301743 22122112201