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240022225 = 529600889
BaseRepresentation
bin11100100111001…
…11001011010001
3121201122101121001
432103213023101
5442421202400
635452302001
75643104152
oct1623471321
9551571531
10240022225
11113539283
1268471901
133a95acb1
1423c3d929
1516112a6a
hexe4e72d1

240022225 has 6 divisors (see below), whose sum is σ = 297627590. Its totient is φ = 192017760.

The previous prime is 240022217. The next prime is 240022229. The reversal of 240022225 is 522220042.

It can be written as a sum of positive squares in 3 ways, for example, as 5564881 + 234457344 = 2359^2 + 15312^2 .

It is not a de Polignac number, because 240022225 - 23 = 240022217 is a prime.

It is a super-5 number, since 5×2400222255 (a number of 43 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (240022229) 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, 4800420 + ... + 4800469.

Almost surely, 2240022225 is an apocalyptic number.

240022225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240022225 is a deficient number, since it is larger than the sum of its proper divisors (57605365).

240022225 is an equidigital number, since it uses as much as digits as its factorization.

240022225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9600899 (or 9600894 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 240022225 is about 15492.6506770146. The cubic root of 240022225 is about 621.4656834438.

Adding to 240022225 its reverse (522220042), we get a palindrome (762242267).

The spelling of 240022225 in words is "two hundred forty million, twenty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 9600889 48004445 240022225