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2227648228 = 221342839389
BaseRepresentation
bin1000010011000111…
…0011011011100100
312202020201020212221
42010301303123210
514030234220403
61005014122124
7106126461151
oct20461633344
95666636787
102227648228
11a434a40a3
12522050344
13296692060
14171bd7228
15d087ddbd
hex84c736e4

2227648228 has 12 divisors (see below), whose sum is σ = 4198260220. Its totient is φ = 1028145312.

The previous prime is 2227648211. The next prime is 2227648229. The reversal of 2227648228 is 8228467222.

It can be written as a sum of positive squares in 2 ways, for example, as 629407744 + 1598240484 = 25088^2 + 39978^2 .

It is not an unprimeable number, because it can be changed into a prime (2227648229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21419643 + ... + 21419746.

Almost surely, 22227648228 is an apocalyptic number.

It is an amenable number.

2227648228 is a deficient number, since it is larger than the sum of its proper divisors (1970611992).

2227648228 is a wasteful number, since it uses less digits than its factorization.

2227648228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42839406 (or 42839404 counting only the distinct ones).

The product of its digits is 344064, while the sum is 43.

The square root of 2227648228 is about 47197.9684732299. The cubic root of 2227648228 is about 1306.0171218344.

The spelling of 2227648228 in words is "two billion, two hundred twenty-seven million, six hundred forty-eight thousand, two hundred twenty-eight".

Divisors: 1 2 4 13 26 52 42839389 85678778 171357556 556912057 1113824114 2227648228