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2220232213 = 19556920983
BaseRepresentation
bin1000010001010110…
…0000111000010101
312201201202111000201
42010111200320111
514021334412323
61004151140501
7106006443133
oct20425407025
95651674021
102220232213
11a3a299361
1251b674731
13294c96694
14170c26753
15cedb68ad
hex84560e15

2220232213 has 8 divisors (see below), whose sum is σ = 2337617600. Its totient is φ = 2102899968.

The previous prime is 2220232207. The next prime is 2220232219. The reversal of 2220232213 is 3122320222.

It is an interprime number because it is at equal distance from previous prime (2220232207) and next prime (2220232219).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2220232213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220232219) 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, 95320 + ... + 116302.

It is an arithmetic number, because the mean of its divisors is an integer number (292202200).

Almost surely, 22220232213 is an apocalyptic number.

It is an amenable number.

2220232213 is a deficient number, since it is larger than the sum of its proper divisors (117385387).

2220232213 is a wasteful number, since it uses less digits than its factorization.

2220232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26571.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2220232213 is about 47119.3401163471. The cubic root of 2220232213 is about 1304.5662329207.

Adding to 2220232213 its reverse (3122320222), we get a palindrome (5342552435).

The spelling of 2220232213 in words is "two billion, two hundred twenty million, two hundred thirty-two thousand, two hundred thirteen".

Divisors: 1 19 5569 20983 105811 398677 116854327 2220232213