146227223 has 2 divisors, whose sum is σ = 146227224. Its totient is φ = 146227222.

The previous prime is 146227189. The next prime is 146227243. The reversal of 146227223 is 322722641.

It is a strong prime.

It is an emirp because it is prime and its reverse (322722641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146227223 - 2⁸ = 146226967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146227243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73113611 + 73113612.

It is an arithmetic number, because the mean of its divisors is an integer number (73113612).

Almost surely, 2^146227223 is an apocalyptic number.

146227223 is a deficient number, since it is larger than the sum of its proper divisors (1).

146227223 is an equidigital number, since it uses as much as digits as its factorization.

146227223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 146227223 is about 12092.4448727294. Note that the first 3 decimals coincide. The cubic root of 146227223 is about 526.8367687920.

Adding to 146227223 its reverse (322722641), we get a palindrome (468949864).

The spelling of 146227223 in words is "one hundred forty-six million, two hundred twenty-seven thousand, two hundred twenty-three".