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23022233 = 1317104173
BaseRepresentation
bin101011111010…
…0101010011001
31121022122120022
41113310222121
521343202413
62141240225
7366454133
oct127645231
947278508
1023022233
1111aa4a43
127863075
134a00c30
1430b4053
15204b608
hex15f4a99

23022233 has 8 divisors (see below), whose sum is σ = 26251848. Its totient is φ = 20001024.

The previous prime is 23022221. The next prime is 23022239. The reversal of 23022233 is 33222032.

It can be written as a sum of positive squares in 4 ways, for example, as 1194649 + 21827584 = 1093^2 + 4672^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23022233 - 26 = 23022169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23022239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51866 + ... + 52307.

It is an arithmetic number, because the mean of its divisors is an integer number (3281481).

Almost surely, 223022233 is an apocalyptic number.

It is an amenable number.

23022233 is a deficient number, since it is larger than the sum of its proper divisors (3229615).

23022233 is a wasteful number, since it uses less digits than its factorization.

23022233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104203.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 23022233 is about 4798.1489139042. The cubic root of 23022233 is about 284.4783028148.

Adding to 23022233 its reverse (33222032), we get a palindrome (56244265).

The spelling of 23022233 in words is "twenty-three million, twenty-two thousand, two hundred thirty-three".

Divisors: 1 13 17 221 104173 1354249 1770941 23022233