210000022 has 8 divisors (see below), whose sum is σ = 315378000. Its totient is φ = 104874024.

The previous prime is 210000017. The next prime is 210000023. The reversal of 210000022 is 220000012.

It is a happy number.

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 (210000023) 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, 60897 + ... + 64252.

It is an arithmetic number, because the mean of its divisors is an integer number (39422250).

Almost surely, 2^210000022 is an apocalyptic number.

210000022 is a deficient number, since it is larger than the sum of its proper divisors (105377978).

210000022 is a wasteful number, since it uses less digits than its factorization.

210000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125990.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 210000022 is about 14491.3775052615. The cubic root of 210000022 is about 594.3922160329.

Adding to 210000022 its reverse (220000012), we get a palindrome (430000034).

The spelling of 210000022 in words is "two hundred ten million, twenty-two", and thus it is an aban number.