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222120233 is a prime number
BaseRepresentation
bin11010011110101…
…00100100101001
3120110221212200022
431033110210221
5423330321413
634012450225
75334663566
oct1517244451
9513855608
10222120233
11104421245
1262479975
13370307ba
14216dd86d
1514778608
hexd3d4929

222120233 has 2 divisors, whose sum is σ = 222120234. Its totient is φ = 222120232.

The previous prime is 222120211. The next prime is 222120253. The reversal of 222120233 is 332021222.

222120233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160073104 + 62047129 = 12652^2 + 7877^2 .

It is a cyclic number.

It is not a de Polignac number, because 222120233 - 26 = 222120169 is a prime.

It is not a weakly prime, because it can be changed into another prime (222120253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060116 + 111060117.

It is an arithmetic number, because the mean of its divisors is an integer number (111060117).

Almost surely, 2222120233 is an apocalyptic number.

It is an amenable number.

222120233 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120233 is an equidigital number, since it uses as much as digits as its factorization.

222120233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 222120233 is about 14903.6986349027. The cubic root of 222120233 is about 605.6141867398.

Adding to 222120233 its reverse (332021222), we get a palindrome (554141455).

The spelling of 222120233 in words is "two hundred twenty-two million, one hundred twenty thousand, two hundred thirty-three".