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10222225 = 521371443
BaseRepresentation
bin100110111111…
…101010010001
3201020100020221
4212333222101
510104102400
61003033041
7152613256
oct46775221
921210227
1010222225
115852122
12350b781
13216ba70
14150142d
15d6dc1a
hex9bfa91

10222225 has 24 divisors (see below), whose sum is σ = 13874112. Its totient is φ = 7425600.

The previous prime is 10222213. The next prime is 10222229. The reversal of 10222225 is 52222201.

It is not a de Polignac number, because 10222225 - 25 = 10222193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10222199 and 10222208.

It is not an unprimeable number, because it can be changed into a prime (10222229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22854 + ... + 23296.

It is an arithmetic number, because the mean of its divisors is an integer number (578088).

Almost surely, 210222225 is an apocalyptic number.

It is an amenable number.

10222225 is a deficient number, since it is larger than the sum of its proper divisors (3651887).

10222225 is a wasteful number, since it uses less digits than its factorization.

10222225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 10222225 is about 3197.2214499468. The cubic root of 10222225 is about 217.0276887092.

Adding to 10222225 its reverse (52222201), we get a palindrome (62444426).

The spelling of 10222225 in words is "ten million, two hundred twenty-two thousand, two hundred twenty-five".

Divisors: 1 5 13 25 65 71 325 355 443 923 1775 2215 4615 5759 11075 23075 28795 31453 143975 157265 408889 786325 2044445 10222225