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220112222 = 21145721893
BaseRepresentation
bin11010001111010…
…10010101011110
3120100011212012112
431013222111132
5422322042342
633501434022
75311631411
oct1507522536
9510155175
10220112222
1110327a630
126186b912
13367a9825
1421339b78
15144cd682
hexd1ea55e

220112222 has 16 divisors (see below), whose sum is σ = 360988272. Its totient is φ = 99827520.

The previous prime is 220112213. The next prime is 220112261. The reversal of 220112222 is 222211022.

It is a junction number, because it is equal to n+sod(n) for n = 220112197 and 220112206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893 + ... + 21000.

It is an arithmetic number, because the mean of its divisors is an integer number (22561767).

Almost surely, 2220112222 is an apocalyptic number.

220112222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220112222 is a deficient number, since it is larger than the sum of its proper divisors (140876050).

220112222 is a wasteful number, since it uses less digits than its factorization.

220112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22363.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 220112222 is about 14836.1794947352. The cubic root of 220112222 is about 603.7837021367.

Adding to 220112222 its reverse (222211022), we get a palindrome (442323244).

The spelling of 220112222 in words is "two hundred twenty million, one hundred twelve thousand, two hundred twenty-two".

Divisors: 1 2 11 22 457 914 5027 10054 21893 43786 240823 481646 10005101 20010202 110056111 220112222