22224454 has 16 divisors (see below), whose sum is σ = 38177568. Its totient is φ = 9505152.

The previous prime is 22224443. The next prime is 22224481. The reversal of 22224454 is 45442222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6964 + ... + 9640.

It is an arithmetic number, because the mean of its divisors is an integer number (2386098).

Almost surely, 2^22224454 is an apocalyptic number.

22224454 is a deficient number, since it is larger than the sum of its proper divisors (15953114).

22224454 is a wasteful number, since it uses less digits than its factorization.

22224454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279.

The product of its digits is 5120, while the sum is 25.

The square root of 22224454 is about 4714.2819177474. The cubic root of 22224454 is about 281.1536332236.

Adding to 22224454 its reverse (45442222), we get a palindrome (67666676).

The spelling of 22224454 in words is "twenty-two million, two hundred twenty-four thousand, four hundred fifty-four".