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2120241222 = 2321110708289
BaseRepresentation
bin111111001100000…
…0101000001000110
312110202121102011200
41332120011001012
513320240204342
6550220043330
7103353516201
oct17630050106
95422542150
102120241222
11998903680
124b2093546
1327a357008
14161838938
15c621494c
hex7e605046

2120241222 has 24 divisors (see below), whose sum is σ = 5011479720. Its totient is φ = 642497280.

The previous prime is 2120241209. The next prime is 2120241247. The reversal of 2120241222 is 2221420212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2120241195 and 2120241204.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 5353947 + ... + 5354342.

It is an arithmetic number, because the mean of its divisors is an integer number (208811655).

Almost surely, 22120241222 is an apocalyptic number.

2120241222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2120241222 is an abundant number, since it is smaller than the sum of its proper divisors (2891238498).

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

2120241222 is a wasteful number, since it uses less digits than its factorization.

2120241222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10708308 (or 10708305 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2120241222 is about 46046.0771619038. The cubic root of 2120241222 is about 1284.6803793580.

Adding to 2120241222 its reverse (2221420212), we get a palindrome (4341661434).

It can be divided in two parts, 2120 and 241222, that added together give a palindrome (243342).

The spelling of 2120241222 in words is "two billion, one hundred twenty million, two hundred forty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 10708289 21416578 32124867 64249734 96374601 117791179 192749202 235582358 353373537 706747074 1060120611 2120241222