22210224 has 20 divisors (see below), whose sum is σ = 57376536. Its totient is φ = 7403392.

The previous prime is 22210213. The next prime is 22210267. The reversal of 22210224 is 42201222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231309 + ... + 231404.

Almost surely, 2^22210224 is an apocalyptic number.

22210224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22210224 is an abundant number, since it is smaller than the sum of its proper divisors (35166312).

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

22210224 is a wasteful number, since it uses less digits than its factorization.

22210224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462724 (or 462718 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 22210224 is about 4712.7724324436. The cubic root of 22210224 is about 281.0936141954.

Adding to 22210224 its reverse (42201222), we get a palindrome (64411446).

The spelling of 22210224 in words is "twenty-two million, two hundred ten thousand, two hundred twenty-four".