22430446 has 24 divisors (see below), whose sum is σ = 36117936. Its totient is φ = 10444800.

The previous prime is 22430437. The next prime is 22430489. The reversal of 22430446 is 64403422.

It is a self number, because there is not a number n which added to its sum of digits gives 22430446.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 87150 + ... + 87406.

It is an arithmetic number, because the mean of its divisors is an integer number (1504914).

Almost surely, 2^22430446 is an apocalyptic number.

22430446 is a deficient number, since it is larger than the sum of its proper divisors (13687490).

22430446 is a wasteful number, since it uses less digits than its factorization.

22430446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 22430446 is about 4736.0791800813. The cubic root of 22430446 is about 282.0196069730.

Adding to 22430446 its reverse (64403422), we get a palindrome (86833868).

The spelling of 22430446 in words is "twenty-two million, four hundred thirty thousand, four hundred forty-six".