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1444422241 = 23149421483
BaseRepresentation
bin101011000011000…
…0010001001100001
310201122221020211001
41112012002021201
510424233002431
6355154552001
750536246363
oct12606021141
93648836731
101444422241
1168137a899
12343898601
131a0333122
14d9b96d33
1586c1be61
hex56182261

1444422241 has 8 divisors (see below), whose sum is σ = 1517342400. Its totient is φ = 1372345392.

The previous prime is 1444422209. The next prime is 1444422269. The reversal of 1444422241 is 1422244441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1444422241 - 25 = 1444422209 is a prime.

It is a super-2 number, since 2×14444222412 = 4172711220590924162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444422271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207315 + ... + 214168.

It is an arithmetic number, because the mean of its divisors is an integer number (189667800).

Almost surely, 21444422241 is an apocalyptic number.

It is an amenable number.

1444422241 is a deficient number, since it is larger than the sum of its proper divisors (72920159).

1444422241 is a wasteful number, since it uses less digits than its factorization.

1444422241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421655.

The product of its digits is 8192, while the sum is 28.

The square root of 1444422241 is about 38005.5553965470. Note that the first 3 decimals coincide. The cubic root of 1444422241 is about 1130.3980222642.

Adding to 1444422241 its reverse (1422244441), we get a palindrome (2866666682).

The spelling of 1444422241 in words is "one billion, four hundred forty-four million, four hundred twenty-two thousand, two hundred forty-one".

Divisors: 1 23 149 3427 421483 9694109 62800967 1444422241