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22023220130231 = 122111803555821
BaseRepresentation
bin1010000000111101011100…
…01101100111000110110111
32212222101210002002012010012
411000132232031213012313
510341312023323131411
6114501154435050435
74432060632254435
oct500365615470667
985871702065105
1022023220130231
117020aa468a3a1
1225782b7a40a1b
13c39a1c3bc028
14561d0293bd55
15282d1b65718b
hex1407ae3671b7

22023220130231 has 4 divisors (see below), whose sum is σ = 22025023698264. Its totient is φ = 22021416562200.

The previous prime is 22023220130143. The next prime is 22023220130267. The reversal of 22023220130231 is 13203102232022.

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 22023220130231 - 226 = 22023153021367 is a prime.

It is a super-2 number, since 2×220232201302312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22023220130197 and 22023220130206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023220130281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901765700 + ... + 901790121.

It is an arithmetic number, because the mean of its divisors is an integer number (5506255924566).

Almost surely, 222023220130231 is an apocalyptic number.

22023220130231 is a deficient number, since it is larger than the sum of its proper divisors (1803568033).

22023220130231 is a wasteful number, since it uses less digits than its factorization.

22023220130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803568032.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22023220130231 its reverse (13203102232022), we get a palindrome (35226322362253).

The spelling of 22023220130231 in words is "twenty-two trillion, twenty-three billion, two hundred twenty million, one hundred thirty thousand, two hundred thirty-one".

Divisors: 1 12211 1803555821 22023220130231