Search a number
-
+
2222200018 = 23907284387
BaseRepresentation
bin1000010001110100…
…0001010011010010
312201212110110100101
42010131001103102
514022340400033
61004301243014
7106032250153
oct20435012322
95655413311
102222200018
11a40412845
1252026346a
1329550526c
141711b992a
15d015497d
hex847414d2

2222200018 has 8 divisors (see below), whose sum is σ = 3334164912. Its totient is φ = 1110811716.

The previous prime is 2222200009. The next prime is 2222200021. The reversal of 2222200018 is 8100022222.

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

It is a junction number, because it is equal to n+sod(n) for n = 2222199968 and 2222200004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134380 + ... + 150007.

It is an arithmetic number, because the mean of its divisors is an integer number (416770614).

Almost surely, 22222200018 is an apocalyptic number.

2222200018 is a deficient number, since it is larger than the sum of its proper divisors (1111964894).

2222200018 is a wasteful number, since it uses less digits than its factorization.

2222200018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288296.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2222200018 is about 47140.2165671733. The cubic root of 2222200018 is about 1304.9515340456.

The spelling of 2222200018 in words is "two billion, two hundred twenty-two million, two hundred thousand, eighteen".

Divisors: 1 2 3907 7814 284387 568774 1111100009 2222200018