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222630152 = 2340968041
BaseRepresentation
bin11010100010100…
…01000100001000
3120111220210011012
431101101010020
5423443131102
634031423052
75342216333
oct1521210410
9514823135
10222630152
1110473a368
1262684a88
133717b924
14217d361a
1514829752
hexd451108

222630152 has 16 divisors (see below), whose sum is σ = 418458300. Its totient is φ = 111041280.

The previous prime is 222630151. The next prime is 222630167. The reversal of 222630152 is 251036222.

It can be written as a sum of positive squares in 2 ways, for example, as 160630276 + 61999876 = 12674^2 + 7874^2 .

It is not an unprimeable number, because it can be changed into a prime (222630151) 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, 30749 + ... + 37292.

Almost surely, 2222630152 is an apocalyptic number.

It is an amenable number.

222630152 is a deficient number, since it is larger than the sum of its proper divisors (195828148).

222630152 is a wasteful number, since it uses less digits than its factorization.

222630152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68456 (or 68452 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 222630152 is about 14920.7959573208. The cubic root of 222630152 is about 606.0772665224.

Adding to 222630152 its reverse (251036222), we get a palindrome (473666374).

The spelling of 222630152 in words is "two hundred twenty-two million, six hundred thirty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 409 818 1636 3272 68041 136082 272164 544328 27828769 55657538 111315076 222630152