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2212113222 = 2321111172289
BaseRepresentation
bin1000001111011010…
…0010101101000110
312201011110222212100
42003312202231012
514012300110342
61003301132530
7105550436454
oct20366425506
95634428770
102212113222
11a35753450
125189ba146
132933b3047
1416db119d4
15ce310e4c
hex83da2b46

2212113222 has 24 divisors (see below), whose sum is σ = 5228631720. Its totient is φ = 670337280.

The previous prime is 2212113217. The next prime is 2212113257. The reversal of 2212113222 is 2223112122.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2212113195 and 2212113204.

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, 5585947 + ... + 5586342.

It is an arithmetic number, because the mean of its divisors is an integer number (217859655).

Almost surely, 22212113222 is an apocalyptic number.

2212113222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212113222 is an abundant number, since it is smaller than the sum of its proper divisors (3016518498).

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

2212113222 is a wasteful number, since it uses less digits than its factorization.

2212113222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11172308 (or 11172305 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2212113222 is about 47033.1077221142. The cubic root of 2212113222 is about 1302.9741023830.

Adding to 2212113222 its reverse (2223112122), we get a palindrome (4435225344).

The spelling of 2212113222 in words is "two billion, two hundred twelve million, one hundred thirteen thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 11172289 22344578 33516867 67033734 100550601 122895179 201101202 245790358 368685537 737371074 1106056611 2212113222