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22222000210 = 252222200021
BaseRepresentation
bin10100101100100010…
…001101000001010010
32010100200121120111211
4110230202031001102
5331002313001320
614113022330334
71414452612424
oct245442150122
963320546454
1022222000210
119473815733
1243821299aa
132131b3cc67
14110b44c814
158a0d8155a
hex52c88d052

22222000210 has 8 divisors (see below), whose sum is σ = 39999600396. Its totient is φ = 8888800080.

The previous prime is 22222000127. The next prime is 22222000223. The reversal of 22222000210 is 1200022222.

It can be written as a sum of positive squares in 2 ways, for example, as 21544074841 + 677925369 = 146779^2 + 26037^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111100001 + ... + 1111100020.

Almost surely, 222222000210 is an apocalyptic number.

22222000210 is a deficient number, since it is larger than the sum of its proper divisors (17777600186).

22222000210 is a wasteful number, since it uses less digits than its factorization.

22222000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222200028.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22222000210 its reverse (1200022222), we get a palindrome (23422022432).

The spelling of 22222000210 in words is "twenty-two billion, two hundred twenty-two million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 5 10 2222200021 4444400042 11111000105 22222000210