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2222100013 = 71699186841
BaseRepresentation
bin1000010001110010…
…1000111000101101
312201212021101011111
42010130220320231
514022324200023
61004255152021
7106031352460
oct20434507055
95655241144
102222100013
11a403546a1
12520215611
1329549b8a3
141711912d7
15d013500d
hex84728e2d

2222100013 has 8 divisors (see below), whose sum is σ = 2541051200. Its totient is φ = 1903525920.

The previous prime is 2222099969. The next prime is 2222100029. The reversal of 2222100013 is 3100012222.

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

It is a cyclic number.

It is not a de Polignac number, because 2222100013 - 29 = 2222099501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222099966 and 2222100002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222100043) 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, 81528 + ... + 105313.

It is an arithmetic number, because the mean of its divisors is an integer number (317631400).

Almost surely, 22222100013 is an apocalyptic number.

It is an amenable number.

2222100013 is a deficient number, since it is larger than the sum of its proper divisors (318951187).

2222100013 is a wasteful number, since it uses less digits than its factorization.

2222100013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188547.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2222100013 is about 47139.1558367351. The cubic root of 2222100013 is about 1304.9319583046.

Adding to 2222100013 its reverse (3100012222), we get a palindrome (5322112235).

The spelling of 2222100013 in words is "two billion, two hundred twenty-two million, one hundred thousand, thirteen".

Divisors: 1 7 1699 11893 186841 1307887 317442859 2222100013