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14222161 = 22736257
BaseRepresentation
bin110110010000…
…001101010001
3222202120010201
4312100031101
512120102121
61224455201
7231613012
oct66201521
928676121
1014222161
118034358
12491a501
132c3c5a5
141c63009
1513ade91
hexd90351

14222161 has 4 divisors (see below), whose sum is σ = 14230692. Its totient is φ = 14213632.

The previous prime is 14222147. The next prime is 14222167. The reversal of 14222161 is 16122241.

14222161 is nontrivially palindromic in base 5.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 13549761 + 672400 = 3681^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 14222161 - 25 = 14222129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14222167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856 + ... + 5401.

It is an arithmetic number, because the mean of its divisors is an integer number (3557673).

Almost surely, 214222161 is an apocalyptic number.

It is an amenable number.

14222161 is a deficient number, since it is larger than the sum of its proper divisors (8531).

14222161 is an equidigital number, since it uses as much as digits as its factorization.

14222161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8530.

The product of its digits is 192, while the sum is 19.

The square root of 14222161 is about 3771.2280493229. The cubic root of 14222161 is about 242.2823980600.

The spelling of 14222161 in words is "fourteen million, two hundred twenty-two thousand, one hundred sixty-one".

Divisors: 1 2273 6257 14222161