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23023222 = 241280771
BaseRepresentation
bin101011111010…
…0111001110110
31121022200220221
41113310321312
521343220342
62141244554
7366460045
oct127647166
947280827
1023023222
1111aa5762
12786375a
134a01511
1430b455c
15204ba67
hex15f4e76

23023222 has 8 divisors (see below), whose sum is σ = 35377272. Its totient is φ = 11230800.

The previous prime is 23023183. The next prime is 23023223. The reversal of 23023222 is 22232032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×230232222 = 1060137502522568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23023196 and 23023205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023223) 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, 140304 + ... + 140467.

It is an arithmetic number, because the mean of its divisors is an integer number (4422159).

Almost surely, 223023222 is an apocalyptic number.

23023222 is a deficient number, since it is larger than the sum of its proper divisors (12354050).

23023222 is a wasteful number, since it uses less digits than its factorization.

23023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280814.

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

The square root of 23023222 is about 4798.2519733753. The cubic root of 23023222 is about 284.4823763410.

Adding to 23023222 its reverse (22232032), we get a palindrome (45255254).

The spelling of 23023222 in words is "twenty-three million, twenty-three thousand, two hundred twenty-two".

Divisors: 1 2 41 82 280771 561542 11511611 23023222