143222330 has 8 divisors (see below), whose sum is σ = 257800212. Its totient is φ = 57288928.

The previous prime is 143222291. The next prime is 143222333. The reversal of 143222330 is 33222341.

143222330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 135094129 + 8128201 = 11623^2 + 2851^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (143222333) 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, 7161107 + ... + 7161126.

Almost surely, 2^143222330 is an apocalyptic number.

143222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143222330 is a deficient number, since it is larger than the sum of its proper divisors (114577882).

143222330 is a wasteful number, since it uses less digits than its factorization.

143222330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14322240.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 143222330 is about 11967.5532169278. The cubic root of 143222330 is about 523.2030233477.

Adding to 143222330 its reverse (33222341), we get a palindrome (176444671).

The spelling of 143222330 in words is "one hundred forty-three million, two hundred twenty-two thousand, three hundred thirty".