Search a number
-
+
2201112222220 = 225193570236327
BaseRepresentation
bin100000000001111100100…
…000110001101000001100
321210102110021222021112001
4200001330200301220030
5242030334212102340
64403102121522044
7315011420121322
oct40017440615014
97712407867461
102201112222220
11779539514aaa
122b6710043324
1312c7441233b2
147876a571d12
153c3c8dee29a
hex2007c831a0c

2201112222220 has 24 divisors (see below), whose sum is σ = 4646285600544. Its totient is φ = 875882996736.

The previous prime is 2201112222193. The next prime is 2201112222241. The reversal of 2201112222220 is 222222111022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285114304 + ... + 285122023.

It is an arithmetic number, because the mean of its divisors is an integer number (193595233356).

Almost surely, 22201112222220 is an apocalyptic number.

2201112222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201112222220 is an abundant number, since it is smaller than the sum of its proper divisors (2445173378324).

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

2201112222220 is a wasteful number, since it uses less digits than its factorization.

2201112222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570236529 (or 570236527 counting only the distinct ones).

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

Adding to 2201112222220 its reverse (222222111022), we get a palindrome (2423334333242).

The spelling of 2201112222220 in words is "two trillion, two hundred one billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1930 3860 570236327 1140472654 2280945308 2851181635 5702363270 11404726540 110055611111 220111222222 440222444444 550278055555 1100556111110 2201112222220