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22132222223 = 38357786481
BaseRepresentation
bin10100100111001011…
…101110100100001111
32010010102200101021012
4110213023232210033
5330311322102343
614100054155435
71412312533136
oct244713564417
963112611235
1022132222223
119428076151
124358052b7b
1321193680a7
1410dd55c91d
1589804a718
hex5272ee90f

22132222223 has 4 divisors (see below), whose sum is σ = 22190009088. Its totient is φ = 22074435360.

The previous prime is 22132222207. The next prime is 22132222237. The reversal of 22132222223 is 32222223122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22132222223 - 24 = 22132222207 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 (22132222823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28892858 + ... + 28893623.

It is an arithmetic number, because the mean of its divisors is an integer number (5547502272).

Almost surely, 222132222223 is an apocalyptic number.

22132222223 is a deficient number, since it is larger than the sum of its proper divisors (57786865).

22132222223 is an equidigital number, since it uses as much as digits as its factorization.

22132222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57786864.

The product of its digits is 2304, while the sum is 23.

Adding to 22132222223 its reverse (32222223122), we get a palindrome (54354445345).

The spelling of 22132222223 in words is "twenty-two billion, one hundred thirty-two million, two hundred twenty-two thousand, two hundred twenty-three".

Divisors: 1 383 57786481 22132222223