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2013220222 = 213233366589
BaseRepresentation
bin111011111111111…
…0100110101111110
312012022020011221221
41313333310311332
513110341021342
6531434143554
7100614042466
oct16777646576
95168204857
102013220222
11943457172
12482281bba
13261125890
1415153aba6
15bbb24a67
hex77ff4d7e

2013220222 has 16 divisors (see below), whose sum is σ = 3393522720. Its totient is φ = 888779232.

The previous prime is 2013220219. The next prime is 2013220273. The reversal of 2013220222 is 2220223102.

It is a junction number, because it is equal to n+sod(n) for n = 2013220196 and 2013220205.

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, 1682697 + ... + 1683892.

It is an arithmetic number, because the mean of its divisors is an integer number (212095170).

Almost surely, 22013220222 is an apocalyptic number.

2013220222 is a deficient number, since it is larger than the sum of its proper divisors (1380302498).

2013220222 is a wasteful number, since it uses less digits than its factorization.

2013220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366627.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2013220222 is about 44868.9226748314. The cubic root of 2013220222 is about 1262.6910282062.

Adding to 2013220222 its reverse (2220223102), we get a palindrome (4233443324).

The spelling of 2013220222 in words is "two billion, thirteen million, two hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 13 23 26 46 299 598 3366589 6733178 43765657 77431547 87531314 154863094 1006610111 2013220222