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227422120 = 2356784859
BaseRepresentation
bin11011000111000…
…10111110101000
3120211221020111111
431203202332220
5431210001440
634322240104
75431025152
oct1543427650
9524836444
10227422120
11107412672
12641b6034
1338168b03
14222bdad2
1514e744ea
hexd8e2fa8

227422120 has 32 divisors (see below), whose sum is σ = 519343200. Its totient is φ = 89610048.

The previous prime is 227422109. The next prime is 227422133. The reversal of 227422120 is 21224722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 227422091 and 227422100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39750 + ... + 45109.

It is an arithmetic number, because the mean of its divisors is an integer number (16229475).

Almost surely, 2227422120 is an apocalyptic number.

227422120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227422120 is an abundant number, since it is smaller than the sum of its proper divisors (291921080).

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

227422120 is a wasteful number, since it uses less digits than its factorization.

227422120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84937 (or 84933 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 227422120 is about 15080.5212111518. The cubic root of 227422120 is about 610.3949068774.

Adding to 227422120 its reverse (21224722), we get a palindrome (248646842).

The spelling of 227422120 in words is "two hundred twenty-seven million, four hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 67 134 268 335 536 670 1340 2680 84859 169718 339436 424295 678872 848590 1697180 3394360 5685553 11371106 22742212 28427765 45484424 56855530 113711060 227422120