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22147133 = 179123727
BaseRepresentation
bin101010001111…
…1000000111101
31112200012011012
41110133000331
521132202013
62110405005
7356150621
oct124370075
945605135
1022147133
1111557518
127500765
134785818
142d27181
151e271a8
hex151f03d

22147133 has 4 divisors (see below), whose sum is σ = 22271040. Its totient is φ = 22023228.

The previous prime is 22147129. The next prime is 22147157. The reversal of 22147133 is 33174122.

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 22147133 - 22 = 22147129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22147099 and 22147108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22147933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61685 + ... + 62042.

It is an arithmetic number, because the mean of its divisors is an integer number (5567760).

Almost surely, 222147133 is an apocalyptic number.

It is an amenable number.

22147133 is a deficient number, since it is larger than the sum of its proper divisors (123907).

22147133 is a wasteful number, since it uses less digits than its factorization.

22147133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123906.

The product of its digits is 1008, while the sum is 23.

The square root of 22147133 is about 4706.0740538160. The cubic root of 22147133 is about 280.8272009118.

The spelling of 22147133 in words is "twenty-two million, one hundred forty-seven thousand, one hundred thirty-three".

Divisors: 1 179 123727 22147133