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22141155 = 356722031
BaseRepresentation
bin101010001110…
…1100011100011
31112122212221210
41110131203203
521132004110
62110321203
7356124321
oct124354343
945585853
1022141155
1111552a83
1274b9203
134782b9a
142d24d11
151e25520
hex151d8e3

22141155 has 16 divisors (see below), whose sum is σ = 35956224. Its totient is φ = 11631840.

The previous prime is 22141151. The next prime is 22141177. The reversal of 22141155 is 55114122.

It is not a de Polignac number, because 22141155 - 22 = 22141151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22141151) 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 15 ways as a sum of consecutive naturals, for example, 10011 + ... + 12020.

It is an arithmetic number, because the mean of its divisors is an integer number (2247264).

Almost surely, 222141155 is an apocalyptic number.

22141155 is a deficient number, since it is larger than the sum of its proper divisors (13815069).

22141155 is a wasteful number, since it uses less digits than its factorization.

22141155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22106.

The product of its digits is 400, while the sum is 21.

The square root of 22141155 is about 4705.4388743241. The cubic root of 22141155 is about 280.8019314848.

Adding to 22141155 its reverse (55114122), we get a palindrome (77255277).

The spelling of 22141155 in words is "twenty-two million, one hundred forty-one thousand, one hundred fifty-five".

Divisors: 1 3 5 15 67 201 335 1005 22031 66093 110155 330465 1476077 4428231 7380385 22141155