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22164311 = 1317100291
BaseRepresentation
bin101010010001…
…1001101010111
31112201001201102
41110203031113
521133224221
62111020315
7356251661
oct124431527
945631642
1022164311
1111569414
12750a69b
1347905a0
142d2d531
151e2c30b
hex1523357

22164311 has 8 divisors (see below), whose sum is σ = 25273584. Its totient is φ = 19255680.

The previous prime is 22164253. The next prime is 22164343. The reversal of 22164311 is 11346122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22164311 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 (22164371) 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 7 ways as a sum of consecutive naturals, for example, 49925 + ... + 50366.

It is an arithmetic number, because the mean of its divisors is an integer number (3159198).

Almost surely, 222164311 is an apocalyptic number.

22164311 is a deficient number, since it is larger than the sum of its proper divisors (3109273).

22164311 is a wasteful number, since it uses less digits than its factorization.

22164311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100321.

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

The square root of 22164311 is about 4707.8987882069. The cubic root of 22164311 is about 280.8997882299.

The spelling of 22164311 in words is "twenty-two million, one hundred sixty-four thousand, three hundred eleven".

Divisors: 1 13 17 221 100291 1303783 1704947 22164311