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224225020 = 22561239769
BaseRepresentation
bin11010101110101…
…10011011111100
3120121220210220101
431113112123330
5424400200040
634125530444
75361611155
oct1527263374
9517823811
10224225020
11105629638
1263113a24
13375b9836
1421aca92c
1514a4209a
hexd5d66fc

224225020 has 48 divisors (see below), whose sum is σ = 481219200. Its totient is φ = 87736320.

The previous prime is 224225017. The next prime is 224225051. The reversal of 224225020 is 20522422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291196 + ... + 291964.

It is an arithmetic number, because the mean of its divisors is an integer number (10025400).

Almost surely, 2224225020 is an apocalyptic number.

224225020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224225020 is an abundant number, since it is smaller than the sum of its proper divisors (256994180).

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

224225020 is a wasteful number, since it uses less digits than its factorization.

224225020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 224225020 is about 14974.1450507199. The cubic root of 224225020 is about 607.5210874039.

Adding to 224225020 its reverse (20522422), we get a palindrome (244747442).

The spelling of 224225020 in words is "two hundred twenty-four million, two hundred twenty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 61 122 239 244 305 478 610 769 956 1195 1220 1538 2390 3076 3845 4780 7690 14579 15380 29158 46909 58316 72895 93818 145790 183791 187636 234545 291580 367582 469090 735164 918955 938180 1837910 3675820 11211251 22422502 44845004 56056255 112112510 224225020