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2200000231 = 111315384617
BaseRepresentation
bin1000001100100001…
…0101011011100111
312200022200120222001
42003020111123213
514001200001411
61002145350131
7105342456562
oct20310253347
95608616861
102200000231
11a2992a810
12514938347
13290a317b0
1416c27b4d9
15cd21bdc1
hex832156e7

2200000231 has 8 divisors (see below), whose sum is σ = 2584615824. Its totient is φ = 1846153920.

The previous prime is 2200000211. The next prime is 2200000261. The reversal of 2200000231 is 1320000022.

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

It is not a de Polignac number, because 2200000231 - 25 = 2200000199 is a prime.

It is a super-2 number, since 2×22000002312 = 9680002032800106722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200000211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7692166 + ... + 7692451.

It is an arithmetic number, because the mean of its divisors is an integer number (323076978).

Almost surely, 22200000231 is an apocalyptic number.

2200000231 is a deficient number, since it is larger than the sum of its proper divisors (384615593).

2200000231 is a wasteful number, since it uses less digits than its factorization.

2200000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15384641.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2200000231 is about 46904.1600607025. The cubic root of 2200000231 is about 1300.5914923721.

Adding to 2200000231 its reverse (1320000022), we get a palindrome (3520000253).

The spelling of 2200000231 in words is "two billion, two hundred million, two hundred thirty-one", and thus it is an aban number.

Divisors: 1 11 13 143 15384617 169230787 200000021 2200000231