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22105141 = 832291163
BaseRepresentation
bin101010001010…
…0110000110101
31112121001112221
41110110300311
521124331031
62105442341
7355614322
oct124246065
945531487
1022105141
1111528a13
1274a03b1
13476c686
142d15b49
151e19a11
hex1514c35

22105141 has 8 divisors (see below), whose sum is σ = 22488480. Its totient is φ = 21724752.

The previous prime is 22105103. The next prime is 22105147. The reversal of 22105141 is 14150122.

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

It is not a de Polignac number, because 22105141 - 29 = 22104629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22105147) 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, 18426 + ... + 19588.

It is an arithmetic number, because the mean of its divisors is an integer number (2811060).

Almost surely, 222105141 is an apocalyptic number.

It is an amenable number.

22105141 is a deficient number, since it is larger than the sum of its proper divisors (383339).

22105141 is a wasteful number, since it uses less digits than its factorization.

22105141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 22105141 is about 4701.6104687649. The cubic root of 22105141 is about 280.6496014497.

Adding to 22105141 its reverse (14150122), we get a palindrome (36255263).

The spelling of 22105141 in words is "twenty-two million, one hundred five thousand, one hundred forty-one".

Divisors: 1 83 229 1163 19007 96529 266327 22105141