Search a number
-
+
2223425 = 5288937
BaseRepresentation
bin1000011110110101000001
311011221222002
420132311001
51032122200
6115353345
724620201
oct10366501
94157862
102223425
111289546
128b2855
135cb049
1441c401
152ddbd5
hex21ed41

2223425 has 6 divisors (see below), whose sum is σ = 2757078. Its totient is φ = 1778720.

The previous prime is 2223421. The next prime is 2223443. The reversal of 2223425 is 5243222.

It can be written as a sum of positive squares in 3 ways, for example, as 238144 + 1985281 = 488^2 + 1409^2 .

It is not a de Polignac number, because 2223425 - 22 = 2223421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2223397 and 2223406.

It is not an unprimeable number, because it can be changed into a prime (2223421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44444 + ... + 44493.

It is an arithmetic number, because the mean of its divisors is an integer number (459513).

22223425 is an apocalyptic number.

2223425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2223425 is a deficient number, since it is larger than the sum of its proper divisors (533653).

2223425 is an equidigital number, since it uses as much as digits as its factorization.

2223425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88947 (or 88942 counting only the distinct ones).

The product of its digits is 960, while the sum is 20.

The square root of 2223425 is about 1491.1153543573. The cubic root of 2223425 is about 130.5191273716.

Adding to 2223425 its reverse (5243222), we get a palindrome (7466647).

The spelling of 2223425 in words is "two million, two hundred twenty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 88937 444685 2223425