Search a number
-
+
622428223 = 17310613391
BaseRepresentation
bin100101000110011…
…000000000111111
31121101012122000011
4211012120000333
52233320200343
6141432444051
721265360354
oct4506300077
91541178004
10622428223
1129a38759a
12154549627
139bc4c331
145c94462b
153999d29d
hex2519803f

622428223 has 8 divisors (see below), whose sum is σ = 626800896. Its totient is φ = 618064800.

The previous prime is 622428221. The next prime is 622428241. The reversal of 622428223 is 322824226.

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 622428223 - 21 = 622428221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622428221) 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 7 ways as a sum of consecutive naturals, for example, 181858 + ... + 185248.

It is an arithmetic number, because the mean of its divisors is an integer number (78350112).

Almost surely, 2622428223 is an apocalyptic number.

622428223 is a deficient number, since it is larger than the sum of its proper divisors (4372673).

622428223 is a wasteful number, since it uses less digits than its factorization.

622428223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4625.

The product of its digits is 18432, while the sum is 31.

The square root of 622428223 is about 24948.5114385608. The cubic root of 622428223 is about 853.8136473239.

The spelling of 622428223 in words is "six hundred twenty-two million, four hundred twenty-eight thousand, two hundred twenty-three".

Divisors: 1 173 1061 3391 183553 586643 3597851 622428223