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2222111013 = 31993722129
BaseRepresentation
bin1000010001110010…
…1011100100100101
312201212021221020220
42010130223210211
514022330023023
61004255314553
7106031426523
oct20434534445
95655257226
102222111013
11a40361991
1252021ba59
132954a38b5
14171195313
15d01383e3
hex8472b925

2222111013 has 8 divisors (see below), whose sum is σ = 2977704000. Its totient is φ = 1473962688.

The previous prime is 2222111011. The next prime is 2222111033. The reversal of 2222111013 is 3101112222.

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

It is not a de Polignac number, because 2222111013 - 21 = 2222111011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222110983 and 2222111001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222111011) 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, 1860468 + ... + 1861661.

It is an arithmetic number, because the mean of its divisors is an integer number (372213000).

Almost surely, 22222111013 is an apocalyptic number.

It is an amenable number.

2222111013 is a deficient number, since it is larger than the sum of its proper divisors (755592987).

2222111013 is a wasteful number, since it uses less digits than its factorization.

2222111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722331.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2222111013 is about 47139.2725124179. The cubic root of 2222111013 is about 1304.9341115572.

Adding to 2222111013 its reverse (3101112222), we get a palindrome (5323223235).

The spelling of 2222111013 in words is "two billion, two hundred twenty-two million, one hundred eleven thousand, thirteen".

Divisors: 1 3 199 597 3722129 11166387 740703671 2222111013