Search a number
-
+
2212212222200 = 235213184435581
BaseRepresentation
bin100000001100010010000…
…111111010100011111000
321211111002212120200221102
4200030102013322203320
5242221102312102300
64412135401230532
7315553452426311
oct40142207724370
97744085520842
102212212222200
11783215144302
122b88a9492448
131307c2991516
1479100833608
153c8286430d5
hex203121fa8f8

2212212222200 has 48 divisors (see below), whose sum is σ = 5182656023160. Its totient is φ = 878130032000.

The previous prime is 2212212222173. The next prime is 2212212222247. The reversal of 2212212222200 is 22222122122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42191591 + ... + 42243990.

Almost surely, 22212212222200 is an apocalyptic number.

2212212222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212212222200 is an abundant number, since it is smaller than the sum of its proper divisors (2970443800960).

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

2212212222200 is a wasteful number, since it uses less digits than its factorization.

2212212222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84435728 (or 84435719 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2212212222200 its reverse (22222122122), we get a palindrome (2234434344322).

The spelling of 2212212222200 in words is "two trillion, two hundred twelve billion, two hundred twelve million, two hundred twenty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 131 200 262 524 655 1048 1310 2620 3275 5240 6550 13100 26200 84435581 168871162 337742324 422177905 675484648 844355810 1688711620 2110889525 3377423240 4221779050 8443558100 11061061111 16887116200 22122122222 44244244444 55305305555 88488488888 110610611110 221221222220 276526527775 442442444440 553053055550 1106106111100 2212212222200