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22130323 = 41952817
BaseRepresentation
bin101010001101…
…0111010010011
31112122100002121
41110122322103
521131132243
62110155111
7356050615
oct124327223
945570077
1022130323
1111545926
1274b2a97
13477ac87
142d20db5
151e221ed
hex151ae93

22130323 has 4 divisors (see below), whose sum is σ = 22183560. Its totient is φ = 22077088.

The previous prime is 22130321. The next prime is 22130341. The reversal of 22130323 is 32303122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32303122 = 216151561.

It is a cyclic number.

It is not a de Polignac number, because 22130323 - 21 = 22130321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22130297 and 22130306.

It is not an unprimeable number, because it can be changed into a prime (22130321) 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, 25990 + ... + 26827.

It is an arithmetic number, because the mean of its divisors is an integer number (5545890).

Almost surely, 222130323 is an apocalyptic number.

22130323 is a deficient number, since it is larger than the sum of its proper divisors (53237).

22130323 is an equidigital number, since it uses as much as digits as its factorization.

22130323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53236.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 22130323 is about 4704.2877250440. The cubic root of 22130323 is about 280.7561322681.

Adding to 22130323 its reverse (32303122), we get a palindrome (54433445).

The spelling of 22130323 in words is "twenty-two million, one hundred thirty thousand, three hundred twenty-three".

Divisors: 1 419 52817 22130323