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212002022 = 2571185641
BaseRepresentation
bin11001010001011…
…10010011100110
3112202220211002202
430220232103212
5413233031042
633011534502
75152662461
oct1450562346
9482824082
10212002022
11a9740291
125abba432
1334bca1ab
14202282d8
151392a632
hexca2e4e6

212002022 has 8 divisors (see below), whose sum is σ = 318561672. Its totient is φ = 105814800.

The previous prime is 212001983. The next prime is 212002027. The reversal of 212002022 is 220200212.

212002022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 212001994 and 212002012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212002027) 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, 91679 + ... + 93962.

It is an arithmetic number, because the mean of its divisors is an integer number (39820209).

Almost surely, 2212002022 is an apocalyptic number.

212002022 is a deficient number, since it is larger than the sum of its proper divisors (106559650).

212002022 is a wasteful number, since it uses less digits than its factorization.

212002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186214.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 212002022 is about 14560.2892141605. The cubic root of 212002022 is about 596.2750914671.

Adding to 212002022 its reverse (220200212), we get a palindrome (432202234).

The spelling of 212002022 in words is "two hundred twelve million, two thousand, twenty-two".

Divisors: 1 2 571 1142 185641 371282 106001011 212002022