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10000222 = 25000111
BaseRepresentation
bin100110001001…
…011101011110
3200211001201121
4212021131132
510030001342
6554201154
7151000111
oct46113536
920731647
1010000222
115710351
1234231ba
1320c19bb
141484578
15d28067
hex98975e

10000222 has 4 divisors (see below), whose sum is σ = 15000336. Its totient is φ = 5000110.

The previous prime is 10000189. The next prime is 10000223. The reversal of 10000222 is 22200001.

It is a happy number.

It is a semiprime because it is the product of two primes.

10000222 is a modest number, since divided by 222 gives 10 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000223) by changing a digit.

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 as a sum of consecutive naturals, namely, 2500054 + ... + 2500057.

It is an arithmetic number, because the mean of its divisors is an integer number (3750084).

Almost surely, 210000222 is an apocalyptic number.

10000222 is a deficient number, since it is larger than the sum of its proper divisors (5000114).

10000222 is an equidigital number, since it uses as much as digits as its factorization.

10000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000113.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 10000222 is about 3162.3127612556. The cubic root of 10000222 is about 215.4450632731.

Adding to 10000222 its reverse (22200001), we get a palindrome (32200223).

The spelling of 10000222 in words is "ten million, two hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 5000111 10000222