230222143 has 4 divisors (see below), whose sum is σ = 243764640. Its totient is φ = 216679648.

The previous prime is 230222119. The next prime is 230222149. The reversal of 230222143 is 341222032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230222143 - 2²⁵ = 196667711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230222143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230222149) 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, 6771223 + ... + 6771256.

It is an arithmetic number, because the mean of its divisors is an integer number (60941160).

Almost surely, 2^230222143 is an apocalyptic number.

230222143 is a deficient number, since it is larger than the sum of its proper divisors (13542497).

230222143 is a wasteful number, since it uses less digits than its factorization.

230222143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13542496.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 230222143 is about 15173.0729583694. The cubic root of 230222143 is about 612.8897582038.

Adding to 230222143 its reverse (341222032), we get a palindrome (571444175).

The spelling of 230222143 in words is "two hundred thirty million, two hundred twenty-two thousand, one hundred forty-three".