210143222 has 32 divisors (see below), whose sum is σ = 350529120. Its totient is φ = 94026240.

The previous prime is 210143221. The next prime is 210143233. The reversal of 210143222 is 222341012.

It is a super-3 number, since 3×210143222³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 210143222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210143221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64472 + ... + 67652.

It is an arithmetic number, because the mean of its divisors is an integer number (10954035).

Almost surely, 2^210143222 is an apocalyptic number.

210143222 is a deficient number, since it is larger than the sum of its proper divisors (140385898).

210143222 is a wasteful number, since it uses less digits than its factorization.

210143222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 210143222 is about 14496.3175323942. The cubic root of 210143222 is about 594.5272916147.

Adding to 210143222 its reverse (222341012), we get a palindrome (432484234).

The spelling of 210143222 in words is "two hundred ten million, one hundred forty-three thousand, two hundred twenty-two".