Search a number
-
+
2221000002212 = 224771166391969
BaseRepresentation
bin100000010100011101111…
…010101000101010100100
321212022210022100011212012
4200110131322220222210
5242342102000032322
64420151402013352
7316314310346225
oct40243572505244
97768708304765
102221000002212
11786a14666512
122ba5404a7258
13131593499354
14796d59a524c
153cb8ed9eae2
hex2051dea8aa4

2221000002212 has 24 divisors (see below), whose sum is σ = 4025354538240. Its totient is φ = 1071564273920.

The previous prime is 2221000002211. The next prime is 2221000002229. The reversal of 2221000002212 is 2122000001222.

It is not an unprimeable number, because it can be changed into a prime (2221000002211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83182637 + ... + 83209332.

It is an arithmetic number, because the mean of its divisors is an integer number (167723105760).

Almost surely, 22221000002212 is an apocalyptic number.

It is an amenable number.

2221000002212 is a deficient number, since it is larger than the sum of its proper divisors (1804354536028).

2221000002212 is a wasteful number, since it uses less digits than its factorization.

2221000002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166392091 (or 166392089 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2221000002212 its reverse (2122000001222), we get a palindrome (4343000003434).

The spelling of 2221000002212 in words is "two trillion, two hundred twenty-one billion, two thousand, two hundred twelve".

Divisors: 1 2 4 47 71 94 142 188 284 3337 6674 13348 166391969 332783938 665567876 7820422543 11813829799 15640845086 23627659598 31281690172 47255319196 555250000553 1110500001106 2221000002212