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2201110220 = 225110055511
BaseRepresentation
bin1000001100110010…
…0100011011001100
312200101202222120202
42003030210123030
514001441011340
61002225233032
7105355061651
oct20314443314
95611688522
102201110220
11a2a518761
12515192778
1329102caaa
1416c489c28
15cd38ac15
hex833246cc

2201110220 has 12 divisors (see below), whose sum is σ = 4622331504. Its totient is φ = 880444080.

The previous prime is 2201110217. The next prime is 2201110243. The reversal of 2201110220 is 220111022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55027736 + ... + 55027775.

It is an arithmetic number, because the mean of its divisors is an integer number (385194292).

Almost surely, 22201110220 is an apocalyptic number.

2201110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201110220 is an abundant number, since it is smaller than the sum of its proper divisors (2421221284).

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

2201110220 is a wasteful number, since it uses less digits than its factorization.

2201110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110055520 (or 110055518 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2201110220 is about 46915.9910904587. The cubic root of 2201110220 is about 1300.8101892470.

Adding to 2201110220 its reverse (220111022), we get a palindrome (2421221242).

The spelling of 2201110220 in words is "two billion, two hundred one million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 110055511 220111022 440222044 550277555 1100555110 2201110220