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22212011201 = 47472595983
BaseRepresentation
bin10100101011111100…
…000110010011000001
32010022222211002011112
4110223330012103001
5330442233324301
614112024253105
71414301660102
oct245374062301
963288732145
1022212011201
119469112856
12437a911195
13212ca533c3
141109dac3a9
158a005b9bb
hex52bf064c1

22212011201 has 4 divisors (see below), whose sum is σ = 22684607232. Its totient is φ = 21739415172.

The previous prime is 22212011179. The next prime is 22212011207. The reversal of 22212011201 is 10211021222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22212011201 - 230 = 21138269377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22212011207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236297945 + ... + 236298038.

It is an arithmetic number, because the mean of its divisors is an integer number (5671151808).

Almost surely, 222212011201 is an apocalyptic number.

It is an amenable number.

22212011201 is a deficient number, since it is larger than the sum of its proper divisors (472596031).

22212011201 is an equidigital number, since it uses as much as digits as its factorization.

22212011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472596030.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22212011201 its reverse (10211021222), we get a palindrome (32423032423).

The spelling of 22212011201 in words is "twenty-two billion, two hundred twelve million, eleven thousand, two hundred one".

Divisors: 1 47 472595983 22212011201