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222023023 = 317162033
BaseRepresentation
bin11010011101111…
…00110101101111
3120110202221022221
431032330311233
5423314214043
634010420211
75334110305
oct1516746557
9513687287
10222023023
11104365202
1262431667
1336cc8491
14216b6275
15147598ed
hexd3bcd6f

222023023 has 4 divisors (see below), whose sum is σ = 229185088. Its totient is φ = 214860960.

The previous prime is 222022987. The next prime is 222023027. The reversal of 222023023 is 320320222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222023023 is a prime.

It is a super-3 number, since 3×2220230233 (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 = 222022988 and 222023006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222023027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3580986 + ... + 3581047.

It is an arithmetic number, because the mean of its divisors is an integer number (57296272).

Almost surely, 2222023023 is an apocalyptic number.

222023023 is a deficient number, since it is larger than the sum of its proper divisors (7162065).

222023023 is an equidigital number, since it uses as much as digits as its factorization.

222023023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7162064.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 222023023 is about 14900.4370070143. The cubic root of 222023023 is about 605.5258256681.

Adding to 222023023 its reverse (320320222), we get a palindrome (542343245).

The spelling of 222023023 in words is "two hundred twenty-two million, twenty-three thousand, twenty-three".

Divisors: 1 31 7162033 222023023