146622233 has 2 divisors, whose sum is σ = 146622234. Its totient is φ = 146622232.

The previous prime is 146622227. The next prime is 146622241. The reversal of 146622233 is 332226641.

146622233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146216464 + 405769 = 12092^2 + 637^2 .

It is a cyclic number.

It is not a de Polignac number, because 146622233 - 2⁸ = 146621977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 146622196 and 146622205.

It is not a weakly prime, because it can be changed into another prime (146622253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73311116 + 73311117.

It is an arithmetic number, because the mean of its divisors is an integer number (73311117).

Almost surely, 2^146622233 is an apocalyptic number.

It is an amenable number.

146622233 is a deficient number, since it is larger than the sum of its proper divisors (1).

146622233 is an equidigital number, since it uses as much as digits as its factorization.

146622233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 29.

The square root of 146622233 is about 12108.7667827901. The cubic root of 146622233 is about 527.3107313462.

Adding to 146622233 its reverse (332226641), we get a palindrome (478848874).

The spelling of 146622233 in words is "one hundred forty-six million, six hundred twenty-two thousand, two hundred thirty-three".