22032224 has 24 divisors (see below), whose sum is σ = 44090928. Its totient is φ = 10834560.

The previous prime is 22032169. The next prime is 22032233. The reversal of 22032224 is 42223022.

It is a congruent number.

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, 3692 + ... + 7595.

It is an arithmetic number, because the mean of its divisors is an integer number (1837122).

Almost surely, 2^22032224 is an apocalyptic number.

It is an amenable number.

22032224 is an abundant number, since it is smaller than the sum of its proper divisors (22058704).

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

22032224 is a wasteful number, since it uses less digits than its factorization.

22032224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11358 (or 11350 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22032224 is about 4693.8495928182. The cubic root of 22032224 is about 280.3406737722.

Adding to 22032224 its reverse (42223022), we get a palindrome (64255246).

The spelling of 22032224 in words is "twenty-two million, thirty-two thousand, two hundred twenty-four".