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22142341 = 132958733
BaseRepresentation
bin101010001110…
…1110110000101
31112122221120201
41110131312011
521132023331
62110330501
7356130634
oct124356605
945587521
1022142341
1111553961
1274b9a31
1347835a0
142d2551b
151e25a61
hex151dd85

22142341 has 8 divisors (see below), whose sum is σ = 24668280. Its totient is φ = 19733952.

The previous prime is 22142333. The next prime is 22142359. The reversal of 22142341 is 14324122.

It can be written as a sum of positive squares in 4 ways, for example, as 6022116 + 16120225 = 2454^2 + 4015^2 .

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 22142341 - 23 = 22142333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22148341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28990 + ... + 29743.

It is an arithmetic number, because the mean of its divisors is an integer number (3083535).

Almost surely, 222142341 is an apocalyptic number.

It is an amenable number.

22142341 is a deficient number, since it is larger than the sum of its proper divisors (2525939).

22142341 is a wasteful number, since it uses less digits than its factorization.

22142341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58775.

The product of its digits is 384, while the sum is 19.

The square root of 22142341 is about 4705.5648970129. The cubic root of 22142341 is about 280.8069451520.

Adding to 22142341 its reverse (14324122), we get a palindrome (36466463).

The spelling of 22142341 in words is "twenty-two million, one hundred forty-two thousand, three hundred forty-one".

Divisors: 1 13 29 377 58733 763529 1703257 22142341