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224622020 = 22571794379
BaseRepresentation
bin11010110001101…
…11010111000100
3120122122222111002
431120313113010
5430000401040
634142232432
75365153460
oct1530672704
9518588432
10224622020
1110587a937
1263285718
13376c844c
1421b914a0
1514abea15
hexd6375c4

224622020 has 48 divisors (see below), whose sum is σ = 570810240. Its totient is φ = 72482304.

The previous prime is 224622017. The next prime is 224622029. The reversal of 224622020 is 20226422.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 224621983 and 224622001.

It is not an unprimeable number, because it can be changed into a prime (224622029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44810 + ... + 49569.

It is an arithmetic number, because the mean of its divisors is an integer number (11891880).

Almost surely, 2224622020 is an apocalyptic number.

224622020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224622020 is an abundant number, since it is smaller than the sum of its proper divisors (346188220).

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

224622020 is a wasteful number, since it uses less digits than its factorization.

224622020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94412 (or 94410 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 224622020 is about 14987.3953707774. The cubic root of 224622020 is about 607.8794233711.

Adding to 224622020 its reverse (20226422), we get a palindrome (244848442).

The spelling of 224622020 in words is "two hundred twenty-four million, six hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 94379 188758 377516 471895 660653 943790 1321306 1604443 1887580 2642612 3208886 3303265 6417772 6606530 8022215 11231101 13213060 16044430 22462202 32088860 44924404 56155505 112311010 224622020