Search a number
-
+
2222423 = 7317489
BaseRepresentation
bin1000011110100101010111
311011220120222
420132211113
51032104143
6115344555
724614240
oct10364527
94156528
102222423
111288815
128b215b
135ca758
1441bcc7
152dd768
hex21e957

2222423 has 4 divisors (see below), whose sum is σ = 2539920. Its totient is φ = 1904928.

The previous prime is 2222387. The next prime is 2222443. The reversal of 2222423 is 3242222.

2222423 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2222423 - 28 = 2222167 is a prime.

It is a Duffinian number.

2222423 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222443) 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, 158738 + ... + 158751.

It is an arithmetic number, because the mean of its divisors is an integer number (634980).

22222423 is an apocalyptic number.

2222423 is a deficient number, since it is larger than the sum of its proper divisors (317497).

2222423 is an equidigital number, since it uses as much as digits as its factorization.

2222423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317496.

The product of its digits is 384, while the sum is 17.

The square root of 2222423 is about 1490.7793263927. The cubic root of 2222423 is about 130.4995180127.

Adding to 2222423 its reverse (3242222), we get a palindrome (5464645).

The spelling of 2222423 in words is "two million, two hundred twenty-two thousand, four hundred twenty-three".

Divisors: 1 7 317489 2222423