Search a number
-
+
4222823 = 112316691
BaseRepresentation
bin10000000110111101100111
321221112121212
4100012331213
52040112243
6230302035
750615303
oct20067547
97845555
104222823
112424740
1214b791b
13b4b117
147bcd03
15586318
hex406f67

4222823 has 8 divisors (see below), whose sum is σ = 4807296. Its totient is φ = 3671800.

The previous prime is 4222811. The next prime is 4222837. The reversal of 4222823 is 3282224.

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

It is not a de Polignac number, because 4222823 - 26 = 4222759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a d-powerful number, because it can be written as 4 + 26 + 29 + 213 + 82 + 222 + 39 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8093 + ... + 8598.

It is an arithmetic number, because the mean of its divisors is an integer number (600912).

Almost surely, 24222823 is an apocalyptic number.

4222823 is a deficient number, since it is larger than the sum of its proper divisors (584473).

4222823 is a wasteful number, since it uses less digits than its factorization.

4222823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16725.

The product of its digits is 1536, while the sum is 23.

The square root of 4222823 is about 2054.9508509938. The cubic root of 4222823 is about 161.6345851009.

The spelling of 4222823 in words is "four million, two hundred twenty-two thousand, eight hundred twenty-three".

Divisors: 1 11 23 253 16691 183601 383893 4222823