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65070222 = 2377121821
BaseRepresentation
bin1111100000111…
…0010010001110
311112102220120020
43320032102032
5113124221342
610242403010
71420042050
oct370162216
9145386506
1065070222
1133804248
1219960466
13106339b9
1488db8d0
155aa50ec
hex3e0e48e

65070222 has 32 divisors (see below), whose sum is σ = 150833664. Its totient is φ = 18328800.

The previous prime is 65070221. The next prime is 65070233. The reversal of 65070222 is 22207056.

65070222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×650702222 = 8468267582258568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65070192 and 65070201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65070221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7929 + ... + 13892.

It is an arithmetic number, because the mean of its divisors is an integer number (4713552).

Almost surely, 265070222 is an apocalyptic number.

65070222 is an abundant number, since it is smaller than the sum of its proper divisors (85763442).

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

65070222 is a wasteful number, since it uses less digits than its factorization.

65070222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21904.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 65070222 is about 8066.6115562856. The cubic root of 65070222 is about 402.2173152382.

Adding to 65070222 its reverse (22207056), we get a palindrome (87277278).

The spelling of 65070222 in words is "sixty-five million, seventy thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 71 142 213 426 497 994 1491 2982 21821 43642 65463 130926 152747 305494 458241 916482 1549291 3098582 4647873 9295746 10845037 21690074 32535111 65070222