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22400200331 = 171317658843
BaseRepresentation
bin10100110111001001…
…111110111010001011
32010211002221002010022
4110313021332322023
5331333422402311
614142430011055
71422045363335
oct246711767213
963732832108
1022400200331
119555369063
124411946a8b
13215ca33812
141126d98455
158b18315db
hex53727ee8b

22400200331 has 4 divisors (see below), whose sum is σ = 23717859192. Its totient is φ = 21082541472.

The previous prime is 22400200301. The next prime is 22400200337. The reversal of 22400200331 is 13300200422.

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 22400200331 - 26 = 22400200267 is a prime.

It is a super-2 number, since 2×224002003312 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1317658843 = 22400200331 / (2 + 2 + 4 + 0 + 0 + 2 + 0 + 0 + 3 + 3 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22400200337) 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, 658829405 + ... + 658829438.

It is an arithmetic number, because the mean of its divisors is an integer number (5929464798).

Almost surely, 222400200331 is an apocalyptic number.

22400200331 is a deficient number, since it is larger than the sum of its proper divisors (1317658861).

22400200331 is a wasteful number, since it uses less digits than its factorization.

22400200331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317658860.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22400200331 its reverse (13300200422), we get a palindrome (35700400753).

Subtracting from 22400200331 its reverse (13300200422), we obtain a palindrome (9099999909).

The spelling of 22400200331 in words is "twenty-two billion, four hundred million, two hundred thousand, three hundred thirty-one".

Divisors: 1 17 1317658843 22400200331