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222000022 = 2199557789
BaseRepresentation
bin11010011101101…
…11001110010110
3120110201202210001
431032313032112
5423313000042
634010121514
75333653246
oct1516671626
9513652701
10222000022
111043499a2
126242029a
1336cbab7a
14216abb26
1514752bb7
hexd3b7396

222000022 has 8 divisors (see below), whose sum is σ = 334674000. Its totient is φ = 110442024.

The previous prime is 222000019. The next prime is 222000043. The reversal of 222000022 is 220000222.

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 221999972 and 222000008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278497 + ... + 279292.

It is an arithmetic number, because the mean of its divisors is an integer number (41834250).

Almost surely, 2222000022 is an apocalyptic number.

222000022 is a deficient number, since it is larger than the sum of its proper divisors (112673978).

222000022 is a wasteful number, since it uses less digits than its factorization.

222000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557990.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 222000022 is about 14899.6651640230. The cubic root of 222000022 is about 605.5049146528.

Adding to 222000022 its reverse (220000222), we get a palindrome (442000244).

It can be divided in two parts, 2 and 22000022, that multiplied together give a palindrome (44000044).

The spelling of 222000022 in words is "two hundred twenty-two million, twenty-two", and thus it is an aban number.

Divisors: 1 2 199 398 557789 1115578 111000011 222000022