210006422 has 8 divisors (see below), whose sum is σ = 328705776. Its totient is φ = 100437832.

The previous prime is 210006403. The next prime is 210006437. The reversal of 210006422 is 224600012.

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

It is a super-3 number, since 3×210006422³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210006422.

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, 2282633 + ... + 2282724.

It is an arithmetic number, because the mean of its divisors is an integer number (41088222).

Almost surely, 2^210006422 is an apocalyptic number.

210006422 is a deficient number, since it is larger than the sum of its proper divisors (118699354).

210006422 is a wasteful number, since it uses less digits than its factorization.

210006422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565382.

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

The square root of 210006422 is about 14491.5983245465. The cubic root of 210006422 is about 594.3982542410.

Adding to 210006422 its reverse (224600012), we get a palindrome (434606434).

The spelling of 210006422 in words is "two hundred ten million, six thousand, four hundred twenty-two".