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10523222225 = 52420928889
BaseRepresentation
bin10011100110011101…
…11010000011010001
31000011101022002002022
421303032322003101
5133022421102400
64500113101225
7521526625115
oct116316720321
930141262068
1010523222225
1145100a267a
122058257815
13cb9213519
1471b841745
15418cb1b85
hex2733ba0d1

10523222225 has 6 divisors (see below), whose sum is σ = 13048795590. Its totient is φ = 8418577760.

The previous prime is 10523222209. The next prime is 10523222233. The reversal of 10523222225 is 52222232501.

10523222225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 46471489 + 10476750736 = 6817^2 + 102356^2 .

It is not a de Polignac number, because 10523222225 - 24 = 10523222209 is a prime.

It is a super-2 number, since 2×105232222252 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10523222194 and 10523222203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210464420 + ... + 210464469.

It is an arithmetic number, because the mean of its divisors is an integer number (2174799265).

Almost surely, 210523222225 is an apocalyptic number.

It is an amenable number.

10523222225 is a deficient number, since it is larger than the sum of its proper divisors (2525573365).

10523222225 is an equidigital number, since it uses as much as digits as its factorization.

10523222225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420928899 (or 420928894 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 10523222225 its reverse (52222232501), we get a palindrome (62745454726).

The spelling of 10523222225 in words is "ten billion, five hundred twenty-three million, two hundred twenty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 420928889 2104644445 10523222225