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223222023 = 3246353569
BaseRepresentation
bin11010100111000…
…01100100000111
3120120000212001100
431103201210013
5424121101043
634052231143
75350233033
oct1523414407
9516025040
10223222023
11105004012
126290b4b3
133732814b
14219091c3
15148e4cd3
hexd4e1907

223222023 has 12 divisors (see below), whose sum is σ = 323134240. Its totient is φ = 148490496.

The previous prime is 223222007. The next prime is 223222031. The reversal of 223222023 is 320222322.

It is not a de Polignac number, because 223222023 - 24 = 223222007 is a prime.

It is a super-3 number, since 3×2232220233 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223221987 and 223222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223222033) 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 in 11 ways as a sum of consecutive naturals, for example, 22618 + ... + 30951.

Almost surely, 2223222023 is an apocalyptic number.

223222023 is a deficient number, since it is larger than the sum of its proper divisors (99912217).

223222023 is a wasteful number, since it uses less digits than its factorization.

223222023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54038 (or 54035 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 223222023 is about 14940.6165535429. The cubic root of 223222023 is about 606.6138846658.

Adding to 223222023 its reverse (320222322), we get a palindrome (543444345).

The spelling of 223222023 in words is "two hundred twenty-three million, two hundred twenty-two thousand, twenty-three".

Divisors: 1 3 9 463 1389 4167 53569 160707 482121 24802447 74407341 223222023