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22001241 = 3137199269
BaseRepresentation
bin101001111101…
…1011001011001
31112101210000210
41103323121121
521113014431
62103321333
7355002363
oct123733131
945353023
1022001241
1111467949
127450249
1347342b2
142cc9d33
151de8d46
hex14fb659

22001241 has 16 divisors (see below), whose sum is σ = 29808000. Its totient is φ = 14433408.

The previous prime is 22001237. The next prime is 22001261. The reversal of 22001241 is 14210022.

It is not a de Polignac number, because 22001241 - 22 = 22001237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22001261) 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, 81655 + ... + 81923.

It is an arithmetic number, because the mean of its divisors is an integer number (1863000).

Almost surely, 222001241 is an apocalyptic number.

It is an amenable number.

22001241 is a deficient number, since it is larger than the sum of its proper divisors (7806759).

22001241 is a wasteful number, since it uses less digits than its factorization.

22001241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 22001241 is about 4690.5480490024. The cubic root of 22001241 is about 280.2092016495.

Adding to 22001241 its reverse (14210022), we get a palindrome (36211263).

The spelling of 22001241 in words is "twenty-two million, one thousand, two hundred forty-one".

Divisors: 1 3 137 199 269 411 597 807 27263 36853 53531 81789 110559 160593 7333747 22001241