22424446 has 24 divisors (see below), whose sum is σ = 38926440. Its totient is φ = 9654480.

The previous prime is 22424429. The next prime is 22424489. The reversal of 22424446 is 64442422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2160 + ... + 7036.

It is an arithmetic number, because the mean of its divisors is an integer number (1621935).

Almost surely, 2^22424446 is an apocalyptic number.

22424446 is a deficient number, since it is larger than the sum of its proper divisors (16501994).

22424446 is a wasteful number, since it uses less digits than its factorization.

22424446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4920 (or 4909 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 22424446 is about 4735.4457023600. The cubic root of 22424446 is about 281.9944585870.

Adding to 22424446 its reverse (64442422), we get a palindrome (86866868).

The spelling of 22424446 in words is "twenty-two million, four hundred twenty-four thousand, four hundred forty-six".