22200210 has 32 divisors (see below), whose sum is σ = 59201280. Its totient is φ = 5919984.

The previous prime is 22200179. The next prime is 22200263. The reversal of 22200210 is 1200222.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22200192 and 22200201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40842 + ... + 41381.

It is an arithmetic number, because the mean of its divisors is an integer number (1850040).

Almost surely, 2^22200210 is an apocalyptic number.

22200210 is an abundant number, since it is smaller than the sum of its proper divisors (37001070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22200210 is a wasteful number, since it uses less digits than its factorization.

22200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82239 (or 82233 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 22200210 is about 4711.7098807121. The cubic root of 22200210 is about 281.0513619634.

Adding to 22200210 its reverse (1200222), we get a palindrome (23400432).

The spelling of 22200210 in words is "twenty-two million, two hundred thousand, two hundred ten".