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202222102102210 = 2520222210210221
BaseRepresentation
bin101101111110101110000000…
…100011111100000011000010
3222112000020120222202201102001
4231332232000203330003002
5203001201331114232320
61554031315021214214
760411031130454421
oct5576560043740302
9875006528681361
10202222102102210
1159485a03798903
121a81bbb8a0136a
1388ab601b929b8
1437d185db132b8
15185a3daa8c20a
hexb7eb808fc0c2

202222102102210 has 8 divisors (see below), whose sum is σ = 363999783783996. Its totient is φ = 80888840840880.

The previous prime is 202222102102123. The next prime is 202222102102213. The reversal of 202222102102210 is 12201201222202.

It can be written as a sum of positive squares in 2 ways, for example, as 194605931715129 + 7616170387081 = 13950123^2 + 2759741^2 .

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

It is a super-2 number, since 2×2022221021022102 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202222102102213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10111105105101 + ... + 10111105105120.

Almost surely, 2202222102102210 is an apocalyptic number.

202222102102210 is a deficient number, since it is larger than the sum of its proper divisors (161777681681786).

202222102102210 is a wasteful number, since it uses less digits than its factorization.

202222102102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20222210210228.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202222102102210 its reverse (12201201222202), we get a palindrome (214423303324412).

The spelling of 202222102102210 in words is "two hundred two trillion, two hundred twenty-two billion, one hundred two million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 20222210210221 40444420420442 101111051051105 202222102102210