22210210 has 16 divisors (see below), whose sum is σ = 43612992. Its totient is φ = 8076400.

The previous prime is 22210207. The next prime is 22210213. The reversal of 22210210 is 1201222.

It is an interprime number because it is at equal distance from previous prime (22210207) and next prime (22210213).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (22210213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100846 + ... + 101065.

It is an arithmetic number, because the mean of its divisors is an integer number (2725812).

Almost surely, 2^22210210 is an apocalyptic number.

22210210 is a deficient number, since it is larger than the sum of its proper divisors (21402782).

22210210 is a wasteful number, since it uses less digits than its factorization.

22210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201929.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 22210210 is about 4712.7709471181. The cubic root of 22210210 is about 281.0935551338.

Adding to 22210210 its reverse (1201222), we get a palindrome (23411432).

The spelling of 22210210 in words is "twenty-two million, two hundred ten thousand, two hundred ten".