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444244222 = 21271748993
BaseRepresentation
bin11010011110101…
…010000011111110
31010221220221111201
4122132222003332
51402211303342
6112025410114
714003004442
oct3236520376
91127827451
10444244222
11208845294
1210493993a
1371062c06
1443000822
1529002db7
hex1a7aa0fe

444244222 has 8 divisors (see below), whose sum is σ = 671613696. Its totient is φ = 220372992.

The previous prime is 444244211. The next prime is 444244249. The reversal of 444244222 is 222442444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874243 + ... + 874750.

It is an arithmetic number, because the mean of its divisors is an integer number (83951712).

Almost surely, 2444244222 is an apocalyptic number.

444244222 is a deficient number, since it is larger than the sum of its proper divisors (227369474).

444244222 is a wasteful number, since it uses less digits than its factorization.

444244222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749122.

The product of its digits is 16384, while the sum is 28.

The square root of 444244222 is about 21077.1018406232. The cubic root of 444244222 is about 763.0282124137.

Adding to 444244222 its reverse (222442444), we get a palindrome (666686666).

The spelling of 444244222 in words is "four hundred forty-four million, two hundred forty-four thousand, two hundred twenty-two".

Divisors: 1 2 127 254 1748993 3497986 222122111 444244222