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22122112133 = 112182827373
BaseRepresentation
bin10100100110100101…
…001010010010000101
32010002201122201211102
4110212211022102011
5330301230042013
614055053345445
71412130564512
oct244645122205
963081581742
1022122112133
1194223a0300
124354798285
1321172383a4
1410dc08a309
158971eed58
hex52694a485

22122112133 has 6 divisors (see below), whose sum is σ = 24316040742. Its totient is φ = 20111010920.

The previous prime is 22122112123. The next prime is 22122112141. The reversal of 22122112133 is 33121122122.

It can be written as a sum of positive squares in only one way, i.e., 21898968289 + 223143844 = 147983^2 + 14938^2 .

It is not a de Polignac number, because 22122112133 - 28 = 22122111877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122112123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91413566 + ... + 91413807.

It is an arithmetic number, because the mean of its divisors is an integer number (4052673457).

Almost surely, 222122112133 is an apocalyptic number.

It is an amenable number.

22122112133 is a deficient number, since it is larger than the sum of its proper divisors (2193928609).

22122112133 is a wasteful number, since it uses less digits than its factorization.

22122112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182827395 (or 182827384 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 22122112133 its reverse (33121122122), we get a palindrome (55243234255).

The spelling of 22122112133 in words is "twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, one hundred thirty-three".

Divisors: 1 11 121 182827373 2011101103 22122112133