222143006 has 8 divisors (see below), whose sum is σ = 333754680. Its totient is φ = 110891448.

The previous prime is 222142967. The next prime is 222143017. The reversal of 222143006 is 600341222.

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

It is a super-2 number, since 2×222143006² = 98695030229432072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88481 + ... + 90956.

It is an arithmetic number, because the mean of its divisors is an integer number (41719335).

Almost surely, 2^222143006 is an apocalyptic number.

222143006 is a deficient number, since it is larger than the sum of its proper divisors (111611674).

222143006 is a wasteful number, since it uses less digits than its factorization.

222143006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180058.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 222143006 is about 14904.4626203027. The cubic root of 222143006 is about 605.6348830092.

Adding to 222143006 its reverse (600341222), we get a palindrome (822484228).

The spelling of 222143006 in words is "two hundred twenty-two million, one hundred forty-three thousand, six".