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225010220 = 22529633797
BaseRepresentation
bin11010110100101…
…10001000101100
3120200101200222212
431122112020230
5430100311340
634154425552
75401361321
oct1532261054
9520350885
10225010220
11106015566
12634322b8
1337803056
1421c52b48
1514b49a65
hexd69622c

225010220 has 24 divisors (see below), whose sum is σ = 472805424. Its totient is φ = 89950016.

The previous prime is 225010207. The next prime is 225010237. The reversal of 225010220 is 22010522.

It is a junction number, because it is equal to n+sod(n) for n = 225010195 and 225010204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57362 + ... + 61158.

It is an arithmetic number, because the mean of its divisors is an integer number (19700226).

Almost surely, 2225010220 is an apocalyptic number.

225010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225010220 is an abundant number, since it is smaller than the sum of its proper divisors (247795204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225010220 is a wasteful number, since it uses less digits than its factorization.

225010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769 (or 6767 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 225010220 is about 15000.3406627983. The cubic root of 225010220 is about 608.2294083223.

Adding to 225010220 its reverse (22010522), we get a palindrome (247020742).

The spelling of 225010220 in words is "two hundred twenty-five million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2963 3797 5926 7594 11852 14815 15188 18985 29630 37970 59260 75940 11250511 22501022 45002044 56252555 112505110 225010220