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212230322 = 2106115161
BaseRepresentation
bin11001010011001…
…10000010110010
3112210100102021022
430221212002302
5413312332242
633020455442
75154633203
oct1451460262
9483312238
10212230322
11a9886867
125b0aa582
1334c7a095
14202875aa
15139730d2
hexca660b2

212230322 has 4 divisors (see below), whose sum is σ = 318345486. Its totient is φ = 106115160.

The previous prime is 212230321. The next prime is 212230373. The reversal of 212230322 is 223032212.

212230322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 209641441 + 2588881 = 14479^2 + 1609^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212230322.

It is not an unprimeable number, because it can be changed into a prime (212230321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53057579 + ... + 53057582.

Almost surely, 2212230322 is an apocalyptic number.

212230322 is a deficient number, since it is larger than the sum of its proper divisors (106115164).

212230322 is a wasteful number, since it uses less digits than its factorization.

212230322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106115163.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 212230322 is about 14568.1269214680. The cubic root of 212230322 is about 596.4890528976.

Adding to 212230322 its reverse (223032212), we get a palindrome (435262534).

The spelling of 212230322 in words is "two hundred twelve million, two hundred thirty thousand, three hundred twenty-two".

Divisors: 1 2 106115161 212230322