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2222220222201 = 37671579403143
BaseRepresentation
bin100000010101100110101…
…001011001111011111001
321212102221100101210000010
4200111212221121323321
5242402101334102301
64420512431332133
7316356455141010
oct40254651317371
97772840353003
102222220222201
11787490422891
122ba821081049
13131729220105
14797ada79a77
153cc120815d6
hex20566a59ef9

2222220222201 has 16 divisors (see below), whose sum is σ = 3436781241344. Its totient is φ = 1250887288464.

The previous prime is 2222220222169. The next prime is 2222220222221. The reversal of 2222220222201 is 1022220222222.

It is not a de Polignac number, because 2222220222201 - 25 = 2222220222169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222220222221) 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, 789700165 + ... + 789702978.

It is an arithmetic number, because the mean of its divisors is an integer number (214798827584).

Almost surely, 22222220222201 is an apocalyptic number.

2222220222201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2222220222201 is a deficient number, since it is larger than the sum of its proper divisors (1214561019143).

2222220222201 is a wasteful number, since it uses less digits than its factorization.

2222220222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579403220.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 2222220222201 its sum of digits (21), we get a palindrome (2222220222222).

Adding to 2222220222201 its reverse (1022220222222), we get a palindrome (3244440444423).

The spelling of 2222220222201 in words is "two trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 3 7 21 67 201 469 1407 1579403143 4738209429 11055822001 33167466003 105820010581 317460031743 740740074067 2222220222201