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2212422 = 23368737
BaseRepresentation
bin1000011100001001000110
311011101212120
420130021012
51031244142
6115230410
724543132
oct10341106
94141776
102212422
111281253
128a8406
135c6034
144183c2
152da7ec
hex21c246

2212422 has 8 divisors (see below), whose sum is σ = 4424856. Its totient is φ = 737472.

The previous prime is 2212421. The next prime is 2212429. The reversal of 2212422 is 2242122.

It is a sphenic number, since it is the product of 3 distinct primes.

2212422 is an admirable number.

It is a super-3 number, since 3×22124223 = 32488163330833726344, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184363 + ... + 184374.

It is an arithmetic number, because the mean of its divisors is an integer number (553107).

22212422 is an apocalyptic number.

2212422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2212422 is a wasteful number, since it uses less digits than its factorization.

2212422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368742.

The product of its digits is 128, while the sum is 15.

The square root of 2212422 is about 1487.4212584201. The cubic root of 2212422 is about 130.3034724810.

Adding to 2212422 its reverse (2242122), we get a palindrome (4454544).

The spelling of 2212422 in words is "two million, two hundred twelve thousand, four hundred twenty-two".

Divisors: 1 2 3 6 368737 737474 1106211 2212422