Search a number
-
+
2180222022 = 231133299923
BaseRepresentation
bin1000000111110011…
…1000110001000110
312121221110202100210
42001330320301012
513431114101042
61000201420250
7105012403266
oct20174706106
95557422323
102180222022
11a19751090
1250a19a686
132898c8304
141697ad7a6
15cb611a9c
hex81f38c46

2180222022 has 32 divisors (see below), whose sum is σ = 4758756480. Its totient is φ = 660408320.

The previous prime is 2180221951. The next prime is 2180222039. The reversal of 2180222022 is 2202220812.

It is a self number, because there is not a number n which added to its sum of digits gives 2180222022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214753 + ... + 224675.

It is an arithmetic number, because the mean of its divisors is an integer number (148711140).

Almost surely, 22180222022 is an apocalyptic number.

2180222022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2180222022 is an abundant number, since it is smaller than the sum of its proper divisors (2578534458).

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

2180222022 is a wasteful number, since it uses less digits than its factorization.

2180222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13268.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2180222022 is about 46692.8476535754. The cubic root of 2180222022 is about 1296.6822741678.

Adding to 2180222022 its reverse (2202220812), we get a palindrome (4382442834).

The spelling of 2180222022 in words is "two billion, one hundred eighty million, two hundred twenty-two thousand, twenty-two".

Divisors: 1 2 3 6 11 22 33 66 3329 6658 9923 9987 19846 19974 29769 36619 59538 73238 109153 109857 218306 219714 327459 654918 33033667 66067334 99101001 198202002 363370337 726740674 1090111011 2180222022