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223222672 = 2413951417
BaseRepresentation
bin11010100111000…
…01101110010000
3120120000212221101
431103201232100
5424121111142
634052234144
75350234651
oct1523415620
9516025841
10223222672
11105004552
126290b954
133732852a
1421909528
15148e50b7
hexd4e1b90

223222672 has 10 divisors (see below), whose sum is σ = 432493958. Its totient is φ = 111611328.

The previous prime is 223222667. The next prime is 223222673. The reversal of 223222672 is 276222322.

223222672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 219158416 + 4064256 = 14804^2 + 2016^2 .

It is a super-3 number, since 3×2232226723 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 223222672.

It is not an unprimeable number, because it can be changed into a prime (223222673) 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 as a sum of consecutive naturals, namely, 6975693 + ... + 6975724.

Almost surely, 2223222672 is an apocalyptic number.

It is an amenable number.

223222672 is a deficient number, since it is larger than the sum of its proper divisors (209271286).

223222672 is a wasteful number, since it uses less digits than its factorization.

223222672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13951425 (or 13951419 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 223222672 is about 14940.6382728450. The cubic root of 223222672 is about 606.6144725589.

Adding to 223222672 its reverse (276222322), we get a palindrome (499444994).

The spelling of 223222672 in words is "two hundred twenty-three million, two hundred twenty-two thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 13951417 27902834 55805668 111611336 223222672