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22013224222 = 21137891132689
BaseRepresentation
bin10100100000000101…
…110010010100011110
32002211010202122200211
4110200011302110132
5330040341133342
614040203443034
71406336214163
oct244005622436
962733678624
1022013224222
1193769891a0
12432422647a
1320ca802282
1410cb82406a
1588c891c17
hex52017251e

22013224222 has 64 divisors (see below), whose sum is σ = 37755979200. Its totient is φ = 9537454080.

The previous prime is 22013224151. The next prime is 22013224229. The reversal of 22013224222 is 22242231022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22013224193 and 22013224202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013224229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8185054 + ... + 8187742.

It is an arithmetic number, because the mean of its divisors is an integer number (589937175).

Almost surely, 222013224222 is an apocalyptic number.

22013224222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22013224222 is a deficient number, since it is larger than the sum of its proper divisors (15742754978).

22013224222 is a wasteful number, since it uses less digits than its factorization.

22013224222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22013224222 its reverse (22242231022), we get a palindrome (44255455244).

The spelling of 22013224222 in words is "twenty-two billion, thirteen million, two hundred twenty-four thousand, two hundred twenty-two".

Divisors: 1 2 11 22 37 74 89 113 178 226 407 814 979 1243 1958 2486 2689 3293 4181 5378 6586 8362 10057 20114 29579 36223 45991 59158 72446 91982 99493 110627 198986 221254 239321 303857 372109 478642 607714 744218 1094423 2188846 2632531 3342427 4093199 5265062 6684854 8186398 8854877 11242709 17709754 22485418 27043273 54086546 97403647 123669799 194807294 247339598 297476003 594952006 1000601101 2001202202 11006612111 22013224222