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2228925 = 352113263
BaseRepresentation
bin1000100000001010111101
311012020111210
420200022331
51032311200
6115435033
724642216
oct10401275
94166453
102228925
111292696
128b5a79
136006ba
1442040d
152e0650
hex2202bd

2228925 has 24 divisors (see below), whose sum is σ = 3731904. Its totient is φ = 1173760.

The previous prime is 2228923. The next prime is 2228927. The reversal of 2228925 is 5298222.

It is an interprime number because it is at equal distance from previous prime (2228923) and next prime (2228927).

It is not a de Polignac number, because 2228925 - 21 = 2228923 is a prime.

Its product of digits (5760) is a multiple of the sum of its prime divisors (384).

It is a junction number, because it is equal to n+sod(n) for n = 2228892 and 2228901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228923) 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, 8344 + ... + 8606.

It is an arithmetic number, because the mean of its divisors is an integer number (155496).

22228925 is an apocalyptic number.

2228925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2228925 is a deficient number, since it is larger than the sum of its proper divisors (1502979).

2228925 is a wasteful number, since it uses less digits than its factorization.

2228925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 384 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 2228925 is about 1492.9584722959. The cubic root of 2228925 is about 130.6266587856.

The spelling of 2228925 in words is "two million, two hundred twenty-eight thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 113 263 339 565 789 1315 1695 2825 3945 6575 8475 19725 29719 89157 148595 445785 742975 2228925