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BaseRepresentation
bin101010111101010…
…0001100100100101
310201110020222020120
41111322201210211
510422444431341
6355010152153
750501512404
oct12572414445
93643228216
101441405221
1167a6aa093
12342882659
1319c817ac9
14d960d63b
1586823066
hex55ea1925

1441405221 has 16 divisors (see below), whose sum is σ = 1950083520. Its totient is φ = 946857600.

The previous prime is 1441405213. The next prime is 1441405261. The reversal of 1441405221 is 1225041441.

Adding to 1441405221 its reverse (1225041441), we get a palindrome (2666446662).

It is not a de Polignac number, because 1441405221 - 23 = 1441405213 is a prime.

It is a super-2 number, since 2×14414052212 = 4155298022252117682, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1441405191 and 1441405200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441405201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282390 + ... + 287448.

It is an arithmetic number, because the mean of its divisors is an integer number (121880220).

Almost surely, 21441405221 is an apocalyptic number.

It is an amenable number.

1441405221 is a deficient number, since it is larger than the sum of its proper divisors (508678299).

1441405221 is a wasteful number, since it uses less digits than its factorization.

1441405221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1441405221 is about 37965.8428195661. The cubic root of 1441405221 is about 1129.6104384574.

The spelling of 1441405221 in words is "one billion, four hundred forty-one million, four hundred five thousand, two hundred twenty-one".