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2258225 = 52591531
BaseRepresentation
bin1000100111010100110001
311020201200222
420213110301
51034230400
6120222425
725123514
oct10472461
94221628
102258225
111302702
1290aa15
13610b38
1442ad7b
152e9185
hex227531

2258225 has 12 divisors (see below), whose sum is σ = 2849520. Its totient is φ = 1774800.

The previous prime is 2258213. The next prime is 2258227. The reversal of 2258225 is 5228522.

It is a happy number.

It is not a de Polignac number, because 2258225 - 212 = 2254129 is a prime.

Its product of digits (3200) is a multiple of the sum of its prime factors (1600).

It is a junction number, because it is equal to n+sod(n) for n = 2258194 and 2258203.

It is not an unprimeable number, because it can be changed into a prime (2258227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 710 + ... + 2240.

It is an arithmetic number, because the mean of its divisors is an integer number (237460).

22258225 is an apocalyptic number.

2258225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2258225 is a deficient number, since it is larger than the sum of its proper divisors (591295).

2258225 is a wasteful number, since it uses less digits than its factorization.

2258225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600 (or 1595 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 2258225 is about 1502.7391656572. The cubic root of 2258225 is about 131.1965466385.

The spelling of 2258225 in words is "two million, two hundred fifty-eight thousand, two hundred twenty-five".

Divisors: 1 5 25 59 295 1475 1531 7655 38275 90329 451645 2258225