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226895220 = 223256731873
BaseRepresentation
bin11011000011000…
…10010101110100
3120210221110201200
431201202111310
5431041121340
634303052500
75423402046
oct1541422564
9523843650
10226895220
11107092812
1263ba1130
1338013036
14221c3a96
1514dbd330
hexd862574

226895220 has 72 divisors (see below), whose sum is σ = 689639496. Its totient is φ = 60383232.

The previous prime is 226895213. The next prime is 226895237. The reversal of 226895220 is 22598622.

226895220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1354896 + 225540324 = 1164^2 + 15018^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 120204 + ... + 122076.

Almost surely, 2226895220 is an apocalyptic number.

226895220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226895220 is an abundant number, since it is smaller than the sum of its proper divisors (462744276).

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

226895220 is a wasteful number, since it uses less digits than its factorization.

226895220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 226895220 is about 15063.0415255353. The cubic root of 226895220 is about 609.9231471753.

The spelling of 226895220 in words is "two hundred twenty-six million, eight hundred ninety-five thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 673 1346 1873 2019 2692 3365 3746 4038 5619 6057 6730 7492 8076 9365 10095 11238 12114 13460 16857 18730 20190 22476 24228 28095 30285 33714 37460 40380 56190 60570 67428 84285 112380 121140 168570 337140 1260529 2521058 3781587 5042116 6302645 7563174 11344761 12605290 15126348 18907935 22689522 25210580 37815870 45379044 56723805 75631740 113447610 226895220