Search a number
-
+
22065214 = 211032607
BaseRepresentation
bin101010000101…
…1000000111110
31112112000210011
41110023000332
521122041324
62104533434
7355360033
oct124130076
945460704
1022065214
1111500a16
12748127a
134757452
142d0538a
151e0cc94
hex150b03e

22065214 has 4 divisors (see below), whose sum is σ = 33097824. Its totient is φ = 11032606.

The previous prime is 22065203. The next prime is 22065221. The reversal of 22065214 is 41256022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41256022 = 220628011.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5516302 + ... + 5516305.

It is an arithmetic number, because the mean of its divisors is an integer number (8274456).

Almost surely, 222065214 is an apocalyptic number.

22065214 is a deficient number, since it is larger than the sum of its proper divisors (11032610).

22065214 is a wasteful number, since it uses less digits than its factorization.

22065214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11032609.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 22065214 is about 4697.3624514189. The cubic root of 22065214 is about 280.4805269044.

The spelling of 22065214 in words is "twenty-two million, sixty-five thousand, two hundred fourteen".

Divisors: 1 2 11032607 22065214