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7022225 = 52740127
BaseRepresentation
bin11010110010011010010001
3111012202200102
4122302122101
53244202400
6410302145
7113454650
oct32623221
914182612
107022225
113a669a1
122427955
1315bb382
14d0b197
1593a9d5
hex6b2691

7022225 has 12 divisors (see below), whose sum is σ = 9951744. Its totient is φ = 4815120.

The previous prime is 7022219. The next prime is 7022233. The reversal of 7022225 is 5222207.

7022225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7022225 - 26 = 7022161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7022197 and 7022206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19889 + ... + 20238.

It is an arithmetic number, because the mean of its divisors is an integer number (829312).

Almost surely, 27022225 is an apocalyptic number.

It is an amenable number.

7022225 is a deficient number, since it is larger than the sum of its proper divisors (2929519).

7022225 is a wasteful number, since it uses less digits than its factorization.

7022225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40144 (or 40139 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 7022225 is about 2649.9481126996. The cubic root of 7022225 is about 191.4953562763.

The spelling of 7022225 in words is "seven million, twenty-two thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 175 40127 200635 280889 1003175 1404445 7022225