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444522226 = 21975032243
BaseRepresentation
bin11010011111101…
…101111011110010
31010222110001212011
4122133231323302
51402244202401
6112035353134
714005243111
oct3237557362
91128401764
10444522226
11208a15145
12104a527aa
137112c605
1443073c78
152905a451
hex1a7edef2

444522226 has 16 divisors (see below), whose sum is σ = 671799744. Its totient is φ = 220594864.

The previous prime is 444522223. The next prime is 444522227. The reversal of 444522226 is 622225444.

It is not an unprimeable number, because it can be changed into a prime (444522223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197061 + ... + 199303.

It is an arithmetic number, because the mean of its divisors is an integer number (41987484).

Almost surely, 2444522226 is an apocalyptic number.

444522226 is the 13335-th centered pentagonal number.

444522226 is a deficient number, since it is larger than the sum of its proper divisors (227277518).

444522226 is a wasteful number, since it uses less digits than its factorization.

444522226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945.

The product of its digits is 30720, while the sum is 31.

The square root of 444522226 is about 21083.6957386508. The cubic root of 444522226 is about 763.1873445993.

The spelling of 444522226 in words is "four hundred forty-four million, five hundred twenty-two thousand, two hundred twenty-six".

Divisors: 1 2 197 394 503 1006 2243 4486 99091 198182 441871 883742 1128229 2256458 222261113 444522226