143693222 has 8 divisors (see below), whose sum is σ = 215603472. Its totient is φ = 71825400.

The previous prime is 143693203. The next prime is 143693227. The reversal of 143693222 is 222396341.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143693227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29 + ... + 16952.

It is an arithmetic number, because the mean of its divisors is an integer number (26950434).

Almost surely, 2^143693222 is an apocalyptic number.

143693222 is a deficient number, since it is larger than the sum of its proper divisors (71910250).

143693222 is a wasteful number, since it uses less digits than its factorization.

143693222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21214.

The product of its digits is 15552, while the sum is 32.

The square root of 143693222 is about 11987.2107681479. The cubic root of 143693222 is about 523.7757985557.

The spelling of 143693222 in words is "one hundred forty-three million, six hundred ninety-three thousand, two hundred twenty-two".