22522210 has 8 divisors (see below), whose sum is σ = 40539996. Its totient is φ = 9008880.

The previous prime is 22522193. The next prime is 22522211. The reversal of 22522210 is 1222522.

It can be written as a sum of positive squares in 2 ways, for example, as 21780889 + 741321 = 4667^2 + 861^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22522211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126101 + ... + 1126120.

Almost surely, 2^22522210 is an apocalyptic number.

22522210 is a deficient number, since it is larger than the sum of its proper divisors (18017786).

22522210 is a wasteful number, since it uses less digits than its factorization.

22522210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252228.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 22522210 is about 4745.7570523574. The cubic root of 22522210 is about 282.4036688286.

Adding to 22522210 its reverse (1222522), we get a palindrome (23744732).

The spelling of 22522210 in words is "twenty-two million, five hundred twenty-two thousand, two hundred ten".