210000000022 has 4 divisors (see below), whose sum is σ = 315000000036. Its totient is φ = 105000000010.

The previous prime is 209999999971. The next prime is 210000000037. The reversal of 210000000022 is 220000000012.

It is a happy number.

210000000022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 209999999942 and 210000000014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52500000004 + ... + 52500000007.

It is an arithmetic number, because the mean of its divisors is an integer number (78750000009).

Almost surely, 2^210000000022 is an apocalyptic number.

210000000022 is a deficient number, since it is larger than the sum of its proper divisors (105000000014).

210000000022 is a wasteful number, since it uses less digits than its factorization.

210000000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105000000013.

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

Adding to 210000000022 its reverse (220000000012), we get a palindrome (430000000034).

The spelling of 210000000022 in words is "two hundred ten billion, twenty-two", and thus it is an aban number.