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2220221010 = 235710572481
BaseRepresentation
bin1000010001010101…
…1110001001010010
312201201201220122210
42010111132021102
514021334033020
61004151012550
7106006365360
oct20425361122
95651656583
102220221010
11a3a2909a7
1251b66a156
13294c91557
14170c22630
15cedb33e0
hex8455e252

2220221010 has 32 divisors (see below), whose sum is σ = 6089749632. Its totient is φ = 507479040.

The previous prime is 2220220999. The next prime is 2220221071. The reversal of 2220221010 is 101220222.

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 15 ways as a sum of consecutive naturals, for example, 5286031 + ... + 5286450.

It is an arithmetic number, because the mean of its divisors is an integer number (190304676).

Almost surely, 22220221010 is an apocalyptic number.

2220221010 is an abundant number, since it is smaller than the sum of its proper divisors (3869528622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2220221010 is a wasteful number, since it uses less digits than its factorization.

2220221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10572498.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2220221010 is about 47119.2212371979. The cubic root of 2220221010 is about 1304.5640386937.

Adding to 2220221010 its reverse (101220222), we get a palindrome (2321441232).

The spelling of 2220221010 in words is "two billion, two hundred twenty million, two hundred twenty-one thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 10572481 21144962 31717443 52862405 63434886 74007367 105724810 148014734 158587215 222022101 317174430 370036835 444044202 740073670 1110110505 2220221010