Search a number
-
+
22065769 = 113164709
BaseRepresentation
bin101010000101…
…1001001101001
31112112001112201
41110023021221
521122101034
62104540201
7355361455
oct124131151
945461481
1022065769
1111501380
127481661
13475778b
142d05665
151e0d014
hex150b269

22065769 has 8 divisors (see below), whose sum is σ = 24848640. Its totient is φ = 19412400.

The previous prime is 22065739. The next prime is 22065803. The reversal of 22065769 is 96756022.

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 22065769 - 25 = 22065737 is a prime.

It is a super-2 number, since 2×220657692 = 973796323122722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22065709) 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, 32014 + ... + 32695.

It is an arithmetic number, because the mean of its divisors is an integer number (3106080).

Almost surely, 222065769 is an apocalyptic number.

It is an amenable number.

22065769 is a deficient number, since it is larger than the sum of its proper divisors (2782871).

22065769 is a wasteful number, since it uses less digits than its factorization.

22065769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64751.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 22065769 is about 4697.4215267527. The cubic root of 22065769 is about 280.4828785001.

The spelling of 22065769 in words is "twenty-two million, sixty-five thousand, seven hundred sixty-nine".

Divisors: 1 11 31 341 64709 711799 2005979 22065769